2 x form C (normally open and normally closed) relays, rated 3A @ 30VDC
1 x 12VDC output max 400mA
Volume Control
LED Indicator Lights
Operating Voltage - 12VDC - Power Supply Included
Frequency - 433.92 MHz
Wireless Range - up to 1 Mile (Wireless range is line of sight without obstacles or interference. Real world distance will be less where obstacles and/or interference is present)