Hamilton Mercury Air Radio Receiver/Power Switch is an IP rated wireless switching system can be used to control multiple lighting circuits, garden pumps and other electrical devices. An ideal and simple solution, enabling remote switching to open automatic gates and garage doors. This product is part of the Mercury Air wireless accessories range and can be controlled using multiple receivers from various remote control handsets and wireless switch plates throughout your home and garden. Up to 113 controllers can be programmed to control this device. 2-operating modes bi-stable and mono-stable, with smooth transition between modes timed from 1 second to 4½ minutes. Each channel can be programmed and controlled independently.