This radio control sets provide easy solution to upgrading older ROLLER SHUTEER remote control handsets and receivers particularly when the original parts are no longer available or are expensive and the only option seems to be a new set. Also Suitable for Projector electrical screens, Curtains remote control,generally it can control a motor with two directions (with 3 wires) . 2.000.000 safety codes, learning mode (perhaps can be memorized and your old remotes). The receiver has two modes of operation: Push ON: Output is ON as long as we press the corresponding button of the controller. On - Off.: When we press a button, the corresponding output is ON and stays ON even if we let the button. Becomes OFF when we press the same or other button. The receiver can memorize up to 20 different security codes. The whole device is controlled by microcontroller. The battery for the remote control is included. Easy installation. The device is programmed, you don't have to do something. Full installation instructions (English). 5 YEARS WARRANTY. SPECIFICATIONS: POWER SUPPLY: 220 - 240 VAC. RELAY CURRENT : 8-10A. (contacts) SAFETY CODES: 2.000.000 DIMENSIONS: 12,5 X 6,2 X 3,7 cm. Business seller information S.P.C Electronics. Spyros Papakonstantinou. Paparigopoulou 20 Str. 8046 Paphos. Cyprus. Value Added Tax Number: CY 90005904X