Smart Door Sensor Alarm Wireless, WiFi Door Window Detector with 8 Batteries, Smart Linkage Window Door Contact Sensor for Home Security Compatible with Alexa/Google Assistant, No Hub Required, 4 Pack

Make your door or window smarter - when you leave home,it will push notification to you if the doors or windows are opened or invaded by an external object,you will find anomalies in your home immediately. AAA Battery（Include） powered - full of power long durable ,replace the battery is simple. PLUG & PLAY with Tuya Smart or Smart Life APP-No hub required,you can free download from Apple store or Google play. You can check the status of the alarms with Alexa at any time. Specifications: Packaging Methods：1 Pack,2 Pack,3 Pack, 4 Pack (You can choose which you need according to the quality of your doors and windows) Wireless Type: 2.4GHz App: Tuya smart or Smart life（Android 4.4 and iOS 8.0 or newer） Material:ABS Battery:LR03-1.5V/AAA*2 (Alkaline battery) Battery Life:6000 times trigger Standby Current: 8uA Alarm Current:70mA～120mA Working Temperature:0℃～45℃ (32℉ ～113℉ ) How to Add the sensor: 1. Download the Smartlife app or Tuya app. 2. Log in to the app and press "+" in the upper right corner to add a sensor. No hub is required. 3.turn on the bluetooth will be more easy add to the app. 4. Ensure that the surface of doors and windows is smooth and clean. 5.The installation distance should not exceed 0.7 inches. 6.These two parts need to be aligned by their alignment arrows.v

• 【Door Sensor with Batteries】The wireless smart door sensor arrives with another 8 AAA batteries which make it possible to use directly when you received the package. You do not need to prepare battery for the door sensor in advance. The alarm sensor can be installed not only on the door or window, but also on garage doors, wine cabinets, letter boxes, safety deposit box, pet doors, etc.
• 【Home Smart Linkage】To turn on / off your smart home devices automatically by connecting the smart window door sensor with your other smart home devices. For example, your home will be lighted on automatically when you open the door as you get home from work. Life has never be so intelligent.
• 【Real Time Monitor】 The smart door sensor can protect your home security in real time. You will receive an app push notification in real time when the sensor detector separated that means your door has been opened without get your permission. You can monitor your home security easily with the door sensor.
• 【App Remote Monitor】The window door contact sensor is controlled by Tuya Smart App or Smart Life App. You can download the app from the app store or by scanning the QR code on the package or user manual. Please make sure the wifi is 2.4GHz.
• 【Voice Control】The wireless smart door sensor detector is compatible with Amazon Alexa and Google Assistant to realize voice control. Just add Smart Life app or Tuya Smart App to your Alexa or Google Home App.
• 【Easy to Install】The package comes with both metal screws and 3M tape. You can use screw in install it on the door or use the 3M tape to stick it on. The directions of the two arrows are close, and the distance between the two components should be as close as possible. NO EXTRAL HUB REQUIRED.