1. Operating voltage: DC 3V
2. Static current: less than or equal to 120 microamps
3. Alarm current: less than or equal to 20mA
4. Alarm sound: greater than 100 dB
5. WiFi: IEEE 802.11 b 2.4G
6. Operating power: 2 AAA 1.5V (batteries not included)
7. Product list: door and window sensor + smart door sensor detector
8. Size: 37.5 x 90.5 x 21.5mm; 17.5 x 57.5 x 17mm

Features:
1. Stationed for doors and windows, for safety protection
2. APP control, sound and light alarm, door and window status query, one-key arming and disarming, timed arming and disarming
3. Double alarms, door magnets immediately sound and light alarms, deterring thieves while attracting the attention of neighboring security guards
4. Adjust the volume at will, according to your needs
5. Check the APP at any time, check whether the doors and windows of your home are closed
6. Remote alarm, when the door or window is opened illegally, the door magnet will alarm and push the alarm to APP
7. Timed arming and disarming can be set according to your needs, and automatically prevent burglary on time, saving time and labor
8. Considerate design, delayed alarm, security guards, anti-theft and anti-burglary
9. Widely used, doors, windows, drawers, file cabinets, safes, etc.