Door Sensor Smart Door Contact Sensor

◆ APP name: Tuya Smart or Smart Life ◆ Work with Amázon Alexá/Google Assistance ◆ Battery type: AAA1.5V*2 (not include in shipment) ◆ Low-battery remind function ◆ WIFI: 2.4G ◆ Door two way function (Detect open/close status of the door/window) ◆ Support all Tuya smart product Linkage control