16 channel radio remote control to commulate up to 300W,230VAC 50-60HZ Individual adjustments can be made for system-and receiver codification, system codification, to avoid crossovers with similar equipments in your neighborhood. ndividual expandable Battery (1*12V, type 23A) for the radio remote control included. Transmission frequency 433. 92MHz, 418 MHz 315MHz CE, R&TTE, GS Approval Germany, England, French, U. S. A., Italy, Australia types of Plugs could be chosen.