This 1 channel dc rf remote control system operates in 315/433MHz frequency, voltage of AC110~240V or DC0~28V. It is great for hard to reach lights or other DC/AC electrical devices, remote distance is up to 2000m. Applications include light remote control, electric gate remote control, electric window / blind remote control, etc.

More details please visit here :
http://www.carymart.com/2000m-dc-9v-12v-24v-trimode-reversing-motor-remote-control-kit-toggle-momentary-latched-p-1657.html