Welcome to our store！</br>1、Send you a notification message when the door is opened or closed so that you can spot the intruder in time. Can also be used for windows, cabinets, drawers or any place where notification is required. 2、Just use your voice to control connected devices for Alexa or for Google Home. Can also perform automatic control with other smart devices compatible with the APP "Smart Life" or for IFTTT. 3、The wireless door detector only takes a few steps to install the sensor using double‑sided tape, and you can download the APP "Smart Life" from application store to add devices. 4、It is very convenient to use, you can share the device with your family and track the history of sensor activity. Come with tamper‑proof alarm and low‑battery alarm function, giving you more peace of mind. 5、The sensor can work on 2.4G WiFi network, support smart hotspots and hotspots at the same time, and suitable for TUYA, which can realize intelligent linkage with other products that support for TUYA. <p class="wang-edit-text"><p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type: WiFi Door Sensor Material: ABS Battery: 2pcs AAA 1.5V(Not Included) Standby Current: ≤5uA Alarm Current: ≤160uA Low Point Undervoltage: ≤2.7V Magnetron Distance: Approx. ≥15mm/0.6in Protocol: For IEEE 802.11b/g/n Working Temperature: -10℃-40℃/14°F-104℉ Working Humidity: 20%-85% Storage Temperature: -10℃-60℃/14℉-140℉ Storage Humidity: 0%-90% Standby Time: 6-8 Months Wireless Type: 2.4GHz Body Size: Approx. 65x27.5x19.5mm/2.6x1.1x0.8in Sub-Body Size: Approx. 64x10.5x19.5mm/2.5x0.4x0.8in How to Use: 1. The door sensor is loaded with 2pcs AAA batteries(not included). 2. Make the door sensor and mobile phone connect to the same WiFi. 3. Install the door sensor on both sides of the door or window. When someone opens the door or window, an alarm message will be sent to the phone. <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Wireless Transmitter 1 x Magnetic Strip 2 x Adhesive Stickers 4 x Screw 1 x Instruction Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>