Wireless pump control Kit range 2 Miles (3 Km) line of sight, . Operation at 433MHz license free industrial band. RF power as per FCC part 15.249. Wireless with carrier, or power fail auto protection. ■ INPUT N/O digital dry contact ( Normally open). ■ OUTPUT One Relay Output 10 Amp max 240V Class 2 pilot duty. Yagi Antennas DIN Power supply 12VDC input 120/220Vac, is included. Easy and simple installation, Factory preconfigured, and technical assistance is available from the manufacturer. ■ Sytem Includes: 1 Transmitter, One receiver, Two Yagi Antennas