Welcome to our store！</br>1、Protect your home with reliable open/close detection of doors, window, cabinets and drawers. 2、Instant notification, when something at home is accidentally turned on, it will immediately notify via smartphone or laptop. 3、WIFI smart door sensor, works for Tuya, can be connected to other devices that support for Tuya. 4、When the front door opens at night, the welcome light is automatically turned on. When the rear door is accidentally opened, the for Z‑Wave alarm is triggered. 5、Battery alarm ensures continuous communication and protection. Stylish and compact design, suitable for any home decoration style. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Door Window Sensor Material: ABS Power Supply: 2 x AA batteries (not included) Working Current: 43mA Pairing Current: 37mA Alarm Time: 4000 seconds Wireless Type: 2.4GHz Wireless Standard: IEEE 802.11b/g/n Wireless Range: Approx. 45M/147.6ft Working Temperature: 0℃-40℃ <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> 2 x Door Window Sensor 1 x Manual 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>