This product cannot be used alone. It needs to be used with the host computer. Please see clearly before purchasing.
1.Built-in Antenna
2.Operating Power: CR2032Button Battey(include)
3.Transmission frequency: 433MHz
4.Compound multi-layer design
5.Built-in omnidirectional antenna
6.Superior circuit design
7.High-performance and low power consumption
8.Superior ABS material
9.Working frequency:433MHz
10.Shock resistence:4.7M,1.2M.3.5M,300k
11.Transmission distance:50-150m in open area
10 pcs Door Sensor