1. It is a 2-channel Transmitter (433.92MHz) and only can be activated by pressing correct password.
2. It can be installed both inside and outside room.
3. The product can ensure the maximum safety because of the changing code for each time.
4. Working range can reach 100 meters in the open area outdoor. Indoor range is 35m.
5. Use CR2450 battery; working voltage is 3V; loading capacity is 580mAH.Weight 239g.
6. The design extends the battery life. It can work for 2 years with 10 operations per day.

It is only sending out signal when you press the correct password, if you enter the incorrect password then no response.

1. It is a 2-channel Transmitter (433.92MHz) and only can be activated by pressing correct password.
2. It can be installed both inside and outside room.
3. The product can ensure the maximum safety because of the changing code for each time.
4. Working range can reach 100 meters in the open area outdoor. Indoor range is 35m.
5. Use CR2450 battery; working voltage is 3V; loading capacity is 580mAH.Weight 239g.
6. The design extends the battery life. It can work for 2 years with 10 operations per day.

It is only sending out signal when you press the correct password, if you enter the incorrect password then no response.