Remote control 4 channels power supply 12V 433Mhz Radio Remote Control Module. The version allows you to control four independent relays The controller can operate in 3 modes: on/off (pressing the No. 1 button in the remote control turns on the No. 1 relay in the receiver and pressing the No. 1 button in the remote control again will turn off this relay). Other channels work similarly instantaneous (pressing the No. 1 button in the remote control and holding it will turn on the No. 1 relay in the receiver until do the time of releasing the remote control button). The other channels work similarly. The shifter (pressing button 1 turns on relay No. 1 in the receiver and turns off the others). Similarly, the remaining channels work (unification can be attached only 1 channel and the rest is disabled). Included : Controller module Pilot - 2 pcs User manual in Polish (electronic version) Technical parameters: Supply Voltage 12 VDC Power consumption 0,06 A Operating frequency 433 MHz Relay contact current 10A (syk switched) Number of channels 4 Operating temperature -40C do 80C Dimensions: Width A55 mm Depth B75 mm Height C30 mm Weight approx. 90 g Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.