Tuya WiFi Sensore Finestra/Porta Telecomando Smart Home Sensore di Sicurezza Allarme
1/2/3/4 x Wifi Door And Window Sensor (1 x Wireless Transmitter, 1 x Magnetic Strip). Alarm Current: ≤160uA. You can check your house on APP whatever where you are. Battery: AAA1.5V x 2 (not included).