If you are looking for a wireless magnetic triggered door sensor, then your research is over here. That's because our product can meet your need. Adopted of , it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features -Color: White -Material: ABS -Size: 7.10X2.50X2.00cm/2.79X0.98X0.79in Battery: 2 AA batteries (not included) Quiescent current: <=8uA Alarm current: <=70-120 mA Low power undervoltage: <=2.7V WIFI: 2.4GHz 802. / distance: <=10mm Working temperature: - centigrade - 50 degree centigrade Working humidity: up to 95%RH - Adopt premium ABS material for durable use. - Replace old or broken door sensor with a new one. - The magnetic sensor detects your doors or activities and send notification to your phone. - You can check battery status of door sensor on your phone app, very convenient. - Suitable for window, door, cabinet, drawer, and etc. Package list: 2 x door alarm 2 x manual