Features: 1) No installation needed, directly for operation 2) 16-channel radio remote control to commutate up to 1000W/3600W, 230V AC/120VAC, 50 - 60Hz 3) Approximate range: 30m 4) Separately adjustment can be made for system and receiver codification, to avoid interference with similar equipment from neighborhood 5) The receiver can store coding of the same frequency set up 6) Separately expandable 7) 1pc battery (12V, type of 23A) for the radio remote control, included 8) Transmission frequency: 315MHz, 418 MHz, 433. 92MHz 9) CE, GS, R&TTE, IP44 Approval, RoHS Packing: Blister