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Tuya Smart WiFi Door Window Alarm Sensor Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home

Tuya Smart WiFi Door Window Alarm Sensor Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home

$44.69 $69.83

Color: WHITE

WHITEWHITE

Product variants

Description

SPECIFICATIONS

Choice: yes

High-concerned chemical: none

Model Number: DY=MC400S

Smart home platform: alexa,Tuya,Google Assistant

• WiFi Connectivity :Connects to your home WiFi network, allowing you to monitor your doors and windows from anywhere using your smartphone.

• Voice Control Compatibility :Compatible with Alexa and Google Home, allowing you to control the alarm with your voice.

• Open/Closed Detection :Detects when doors and windows are opened or closed, alerting you to any unauthorized access.

• RoHS Certified :Meets RoHS certification standards, ensuring that the product is safe and environmentally friendly.

Tuya smart WiFi window/door sensor home security alarm

Product Features:

【Wifi + Bluetooth Dual mode】Connect to the network faster. The connection network speed is 2 times faster than only Wifi. (Bluetooth is only used for network signal connection, Bluetooth cannot be used alone. WIFI+Bluetooth is more stable)

【On site alarm】When a door or window is opened, the product will emit an alarm sound greater than 90BD to prevent thieves from approaching

【Instant Notification】Push instant notification to your phone immediately when the door or window is opened or closed. Keeping you informed all the time.

【Alarm Recording】Support checking open/close records and battery levels on the app. Never worry about missing any important moments or running out of battery.

【Low Voltage Remind】When the battery level is low, it will automatically remind you to change batteries, never worry about running out of battery.

【Intelligent Linkagesafe】The wifi door sensor can be linked with other smart devices in the home and make your home more smart. Low advantage design to ensure long-term battery life. For example, the light will be on automatically when the door is open. (Note that the light needs to be used with WIFI switch).

【Third-party voice support】This sensor supports Amazon Alexa and Google Home Assistant.

【Easy to Install】Small size,easy to install Adhesive installation,can be flexibly placed in various doors, windows,drawers,etc,without destroying the appearance and structure of the original furniture.

Specifications:

Input voltage: DC3V LR03

Quiescent Current: ≤55uA

Alarm Current: ≤180mA

Low power undervoltage: ≤2.4V

Standard WiFi: 802.11b/g/n

Magnetic control distance: ≤ 15MM

Alarm decibel: ≤ 90dB 1meter

Battery: DC 3V LR03（AAA battery，not included）

Alarm mode: mobile phone app notification push(Smart Life/Tuya Smart)

Size: Main body: 90*30*21mm

Product package included:

1xSensor (Not include battery)

1xDouble sided Tape

1xUser manual

Product Image:

Noted:WIFI network only supports 2.4G, not 5G.

Reminder：

The installation location should be in a stable network environment.

For the first time connecting to the internet, try to use a new battery.

When connecting to the internet, turn on the Bluetooth of your phone.

Declaration:

This product is all for physical photography, and due to factors such as angle and lighting, there may be slight differences between the photos and the actual product. The products are mainly based on the actual product.

Shipping Policy

Thank you for shopping with The Covers Nest!
We’re dedicated to providing you with fast and reliable delivery every time you order.

Processing Time

All orders are processed within 1–2 business days.
During this period, we carefully verify, package, and dispatch your items to ensure they reach you in perfect condition.

Delivery Time

Once shipped, orders are typically delivered within 10–15 business days, depending on your location and local courier services.

International Shipping

We proudly ship worldwide!
International orders may take slightly longer depending on your country’s customs process and postal services — typically 10–20 business days.
Please note that any customs fees, duties, or taxes applied by your country are the customer’s responsibility.

Shipping Confirmation & Tracking

You will receive a shipping confirmation email with your tracking number once your order has been shipped. You can use this number to monitor your shipment’s progress online.

Delays

While we always aim to deliver on time, unforeseen factors such as weather, customs delays, or courier disruptions may occasionally cause delays.
If your order is delayed, please don’t hesitate to contact our support team — we’ll assist you right away.

Contact Us

If you have any questions regarding your order or shipping, please contact our support team at:
📧 sameer.nextcomautomation@gmail.com

Refund Policy

Provided the conditions in our refund policy have been met, refunds will be processed using the original form of payment. You can return an item purchased online by posting it to us. Please contact customer service for return address. Please note that delivery costs will be excluded from the refund unless goods are returned in accordance with your statutory rights (e.g. they are faulty or not as ordered).

The items with the original receipt are returned within 30 days of purchase. 
Items must be in the original condition as purchased with all labels/tickets attached.

Provided the conditions in our refund policy have been met, refunds will be processed using the original form of payment. You can return an item purchased online by posting it to us. Please contact customer service for return address. Please note that delivery costs will be excluded from the refund unless goods are returned in accordance with your statutory rights (e.g. they are faulty or not as ordered).

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