The wireless magnetic alarm is a very common device in the security monitoring and security protection system. The wireless magnetic sensor is very reliable and small in size, especially in wireless mode, which makes installation and use very convenient and flexible.
Wireless magnetism is used to monitor the switch state of the gate. When the door is opened for whatever reason, the wireless magnetic sensor immediately transmits specific radio waves and alerts the host from a distance. The wireless alarm signal of wireless magnetism can transmit 100 meters in open ground and 20 meters in general residence, which is closely related to the surrounding environment.
Wireless magnetism is generally designed to save electricity. When the door closes, it does not transmit radio signals. At this time, it consumes only a few microamperes. When the door is opened, it immediately transmits a radio alarm signal for about 1 second, and then stops by itself. In this case, even if the door is always open, it will not be fired again, in order to prevent the transmitter from continuously transmitting and causing the internal battery to run out of electricity, the wirelessmagnetism also has a battery low voltage detection circuit, when the battery voltage is less than 2.6 V, Weak-current indicator lights will be lit, the need to immediately replace the special battery, otherwise it will affect the reliability of the alarm.
