1.Wireless and no wiring required. 2.Connected up to 60 sets of signal transmitters 3.Singal receiving effectively around 500

Specifications:

1. Dimension: 317*180*28mm

2. Voltage: 220V

3. Wireless and no wiring required. Connected up to 60 sets of signal transmitters

4.Singal receiving effectively around 500M in the open air.

5.Can connect more than one receiver in the same area

6.Frequency: 433M (Adjustable according to different countries demands)

Wireless Receiver SK-300