Welcome to our store！</br>1、Must be used with tuya's ZigBee forgateway, more reliable and convenient. 2、Can achieve fast connection. The connection speed and transmission speed are more stable and faster than WIFI. 3、When detect an abnormal state, the message will be pushed to the mobile phone through the APP. 4、Used to detect the open/close status of door/window, safer and more reliable in use. 5、This is a smart door sensor, compatible for Alexa, for google home, and for Tuya. <div class="wang-edit-text">Item Type: Door and window sensor Condition: 100% Brand New Housing Material: ABS Color: White Battery: CR2450 battery (included) Working Temperature: -10 ° C -55 ° C Working Humidity: 10%-90% RH (non-condensing) Main Function: Intelligent linkage Wireless Technology: Zigbee802.15.4 Compatibilty: Compatible for Alexa/google home/ITFFF/Tuya Product Size: Approx.60x34x18mm/2.4x1.3x0.7in Approx.35x13x12mm/1.4x0.5x0.5in <style>.w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid #000;};.w-e-text table,.wang-edit-text table{border: 1px solid #000 !important;}</style></div> <div>1 x Host</div><div>1 x Magnetic Strip</div><div>1 x Instruction Manual</div><div>2 x Double-Sided Adhesive Tape</div><div>1 x Bracket</div> 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>