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KERUI Wireless Door/Window Open Alarm System Long Range Smart Home Security Kit

Brand: KERUI

Product Overview

KERUI M525 Wireless 500ft Long Range Door/Window Open Alarm Doorbell Alarm with 2 Door Sensors

Feature:

1.Keep your children safe - Alert when you little one opens the door

2.Alerts when burglar opens door and helps deter break-ins

3.Door/Window open alarm with Mute to Loud dB

Introduction:

1. Monitor Every Areas You Care with Wireless Door Chime

500 feet far enough to cover every door and window in your house. Each wireless doorbell receiver can pair up to 20 magnetic door alarm sensors and each sensor can add unlimited receivers.

Note : Because of aviation restrictions , door sensor are not include battery.

2. Lifeguard for Your Family
This business door entry chime alerts when burglar opens door and helps deter break-ins(wireless door alarms activates when magnetic sensor separates)
3. Easy to install
Just plug the receiver into power socket and attach the door sensor on door, just keep the sensor and magnetic strip within 0.4inch. You don't even necessarily have to make holes or damage anything.

4. 32 songs optional

32 ringtones for your option,you can select regularly,and don't feel bored. Avoid the same ring with the neighbors.

5. Strong signal, 150m long distance Transmission

Long operating range can be up to 500ft(150m) in open space, great for large house including villas, apartment, offices, shops, warehouses, etc.

6. Compatible with alam sensors & detectors

One transmitter can pair with several(max 30) receivers, and one receiver can pair with several(max 30) transmitters. Customize your doorbell according to your need.

Product Detail

Receiver

1. Working Voltage: AC 100-240V
2. Working Current: < 100 mA
3. Wireless Frequency: 433 MHz
4. Working Temperature: -10-50 degree centigrade
5. Wireless Distance: 150 meters (Open area)

Door Sensor

1.Frequency: 433Mhz
2.Operation Current:8~15mA
3.Quiescent Current:3uA
4.Operation Temp:-10C~50C;Humidity :no more than 90%
5.Battery:23A 12V (not include)
Package including:
1x M525 Receiver
2x D025 Door Sensor 
Brand: KERUI
Isin: IUSZPS3IRQ8X

$55.93

  • Free shipping in US
  • Arrives:

  • Free 30-Day returns

In Stock

Sold by , Fulfilled by IBSPOT
Ships from USA

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KERUI Wireless Door/Window Open Alarm System Long Range Smart Home Security Kit

KERUI Wireless Door/Window Open Alarm System Long Range Smart Home Security Kit

$55.93

KERUI M525 Wireless 500ft Long Range Door/Window Open Alarm Doorbell Alarm with 2 Door Sensors

Feature:

1.Keep your children safe - Alert when you little one opens the door

2.Alerts when burglar opens door and helps deter break-ins

3.Door/Window open alarm with Mute to Loud dB

Introduction:

1. Monitor Every Areas You Care with Wireless Door Chime

500 feet far enough to cover every door and window in your house. Each wireless doorbell receiver can pair up to 20 magnetic door alarm sensors and each sensor can add unlimited receivers.

Note : Because of aviation restrictions , door sensor are not include battery.

2. Lifeguard for Your Family
This business door entry chime alerts when burglar opens door and helps deter break-ins(wireless door alarms activates when magnetic sensor separates)
3. Easy to install
Just plug the receiver into power socket and attach the door sensor on door, just keep the sensor and magnetic strip within 0.4inch. You don't even necessarily have to make holes or damage anything.

4. 32 songs optional

32 ringtones for your option,you can select regularly,and don't feel bored. Avoid the same ring with the neighbors.

5. Strong signal, 150m long distance Transmission

Long operating range can be up to 500ft(150m) in open space, great for large house including villas, apartment, offices, shops, warehouses, etc.

6. Compatible with alam sensors & detectors

One transmitter can pair with several(max 30) receivers, and one receiver can pair with several(max 30) transmitters. Customize your doorbell according to your need.

Product Detail

Receiver

1. Working Voltage: AC 100-240V
2. Working Current: < 100 mA
3. Wireless Frequency: 433 MHz
4. Working Temperature: -10-50 degree centigrade
5. Wireless Distance: 150 meters (Open area)

Door Sensor

1.Frequency: 433Mhz
2.Operation Current:8~15mA
3.Quiescent Current:3uA
4.Operation Temp:-10C~50C;Humidity :no more than 90%
5.Battery:23A 12V (not include)
Package including:
1x M525 Receiver
2x D025 Door Sensor 

Item Specifics

  • Condition: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
  • Brand: KERUI
  • MPN: Does Not Apply
  • Type: Door Chime
  • Connectivity: Wireless
  • Material: Plastic
  • Model: M525
  •  

    Processing Time

    • We process and ship orders Monday through Friday, excluding holidays.
    • Most orders are processed within 1–3 business days, depending on product availability.
    • Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.

    Shipping Coverage

    We currently ship to addresses within the United States only.

    Products may ship from:

    • Our U.S. warehouses, or
    • Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).

    Each product page clearly displays the “Ships From” location before checkout.


    Shipping Methods & Estimated Delivery

     

    Shipping Method Estimated Delivery Cost
    Free Shipping (US) 5–10 business days Free, available on eligible items
    Standard Shipping (US to US by Item) 5–10 business days $6.50 for the first item, $2.00 each additional
    Standard Shipping (From US Warehouse by Weight) 3–7 business days Starts at $6.50, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb.
    Extended Delivery (Ships from Overseas Warehouse) 10–20 business days $14.50 for the first item, $2.00 each additional

    Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.

    Free Shipping

    We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout. 


    Carriers

    We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.


    Import Duties & Taxes

    All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.


    Tracking & Notifications

    Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.

    You can track your shipment anytime using the Track Your Order page on our website.


    Order Changes & Cancellations

    If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.

    Contact: support@ibspot.com


    Item Not Received

    If your tracking number shows “Delivered” but you haven’t received your package:

    1. Check with your local USPS or UPS office.
    2. Confirm that the shipping address provided was correct.
    3. If the issue remains unresolved, contact support@ibspot.com for assistance.

    Damaged or Lost Parcels

    If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.


    Customer Support

    For any questions about shipping, tracking, or delivery, our customer support team is here to help.

    Email: support@ibspot.com

    We’re always happy to help.

    Please read our policy carefully before making a purchase.
    We aim to ensure every customer has a smooth and transparent experience with ibspot.com.


    Order Cancellation Policy

    Customers may request to cancel an order before it has been shipped.
    Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.

    How to Request a Cancellation

    You can contact us through:

    Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.


    Return Policy

    We accept returns for most items within 30 days of delivery for a full refund.

    To be eligible for a return:

    • The item must be unused, in the same condition as received, and in its original packaging.
    • A tracking number must be provided to confirm the return shipment.

    Non-Returnable Items

    Certain products cannot be returned, including:

    • Perishable goods (for example, food, flowers, newspapers, magazines)
    • Intimate or sanitary goods
    • Hazardous materials or flammable liquids/gases
    • Gift cards
    • Downloadable software
    • Some health and personal care items

    Partial Refunds (If Applicable)

    Partial refunds may be granted in specific situations, such as:

    • Books with obvious signs of use
    • Opened CDs, DVDs, software, or vinyl records
    • Items not in their original condition, damaged, or missing parts not due to our error
    • Items returned more than 30 days after delivery

    How to Return an Item

    To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
    Our team will provide you with return instructions and a prepaid return label.


    Shipping Cost for Returns

    Please contact us before returning any item.
    We will provide a free return shipping label.

    If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.

    For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
    We cannot guarantee that we will receive your returned item if shipped independently.


    Refund Processing

    Once your return is received and inspected:

    • In-store returns are refunded to the original form of payment or issued as a gift card.
    • Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.

    Please allow:

    • 5–7 business days for the return to reach our Returns Center.
    • An additional 3–10 business days for your bank to post the refund to your account.

    Damages, Issues & Claims

    Please inspect your order immediately upon receipt.
    If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
    We’ll evaluate the issue promptly and make it right.

    Product Claims

    Before purchasing, please review product details carefully.
    If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.


    Exchanges

    We do not process direct exchanges.
    The fastest way to get what you need is to return the original item and place a new order once your return is accepted.


    Return Address

    IBSPOT Return Center
    15 Sawmill Ln
    Dover Plains, NY 12522
    United States


    Customer Support

    Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.

    Email: support@ibspot.com
    Contact Form: Contact Us page

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    Disclaimer: Statements made, or products sold through this website, have not been evaluated by the United States Food and Drug Administration. Products are not intended to diagnose, treat, cure or prevent any disease.