Item condition - Frequency - 433.92MHz. Operating voltage - 12V DC-24V DC AC Codes:Fixed / Learning / Rolling Code Transmit distance - 100m in open space. Open space means no any interference. No walls, no doors, no trees or any other obstructions. Interference like garage door or brick wall can reduce remote control range significantly. Receiver: 1) Can learn Fixed and Rolling code 433,92Mhz remote controls separately and simultaneously !!! 2) Can learn and use most 433,92Mhz Fixed and Rolling code remote controls !!! (Such as: BFT, V2, Ditec, CAME, MOOVO, MHOUSE PUJOL, GIBIDI, DOORHAN, ATA PTX4, MARANTEC) 3) 2 channel receiver provides you with an option to control and use 2 gate automations or alarm systems simultaneously 4) 1 relay can store 200 pcs remote control, the receiver can store 400 pcs remote control INSTALLATION: Position the receiver in a place adequately protected from atmospheric agents (1) Connect the wires coming from the power supply to the VDD+ and GND- terminals (2) Connect the wires coming from the device to the NO and CM terminals of the chosen channel Remote control transmitter: Code: Learning code EV1527 modern, stylish, compact design which fits perfectly in your pocket. LED Indicator Compact pocket sized Colour:Black Material:Plastic Package Contents: 1 * Receiver 1 * Remote Control