NB-IoT smart door magnetic alarm

Product description: 1. Functional characteristics of the NB door magnetic detector used to monitor the switch status of the door and window as the door and the window. After being opened, the NB door magnetic probe immediately issued a sound and light alarm, and hit the user through the network to users Telephone, sending text messages, WeChat push, notify users.

1. Functional characteristics

The NB door magnetic detector is used to monitor the switch status of the door and windows as the door and the window, no matter what reasons, after being turned on, the NB door magnetic detector immediately emits a sound and light alarm. , Alert the user’s specific address. NB door magnetic generally uses power saving design. When the door is closed, it is in a dormant state. At this time, there are only dozens of micro -safety consumption. When the door is opened, it immediately emits a sound and light alarm. Remote reset removal.

2. Technical parameters

1. Work voltage: DC3V (Battery No. 7)

2. Static current: ≤20ua

3. Alarm current: m 68MA

4. Networking method: NB-IoT

5. Communication band: 868MHz

6. Low -pressure alarm value: 2.5V

7. Work humidity: ≤95%

8. Use environment: indoor

10. Standard size: mm magnet: mm

11. Product characteristics: low power consumption wide area network