Special Feature Universal Maximum Number of Devices Supported 1 Television Compatible Devices Connectivity Technology Radio Frequency Number of Buttons 5 Controller Type Button Control Model Name TELEC433*5 Maximum Range 1.5 Meters Alkaline Battery Description View More About This Item Compatible Frequency - 433.92 MHz, Fixed Code Codes can be copied up to 4 codes Not compatible with rolling code remote controls Remote control batteries are not included (27 A - 12 V) This product is delivered without assembly instructions Choose 3 buttons on the new remote control among which there will be the one on which you wish to memorize the code. Press all 3 buttons continuously. The LED on the Sirio remote control will flash 4 times to confirm the switch to learning mode. Release 2 buttons while holding down the button to be programmed. Press the button on the already programmed remote control and wait for 3 flashes of the Sirio remote control LED in confirmation Before releasing the button you have just memorized, press the button successively to program the second button. Release the first button. 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.