Needs to work with Tuya gateway APP:Smart life / Tuya Smart Suitable for placing carpets/beds/armschairs/sofas/carpets, precise sensing and smart linkage Compact and convenient, multiple pressure control point sensors Flexible, , bend-, and long-lasting High sensitivity, low power consumption, fast response Zigbee communication protocol, smart linkage Model:Tuya Zigbee pressure sensor APP Name:Smart life / Tuya Smart Power input:DC3V (CR2032battery) Battery life:1 year or 5000 triggers (replaceable) Protocol:Zigbee Operating temperature:-10-55 Low voltage alarm:Yes Product size:90 x 800mm Color: Black & White Material: PC+ABS Package Contents: 1 * Graffiti ZIGBEE Pressure Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.