Material: ABS & MetalColor: Green、Black & ChromeQuantity: 1 pc4 Channel: like the picture showTransmitter Frequency: 433.92 MHzSize: 53 x 32 x 12mm / 2.04" x 1.26" x 0.47"(LxWxH) Feature:Red LED IndicatorSlim DesignLong RangeCompact Pocket SizeFour (4) buttons to operate 4 different garage doorsOriginal code hopping technology with 100% securityBatteries includedMetal key chain included Compatibility:Merlin M832Merlin M842Merlin M844230T430R Package includes: 1 x GARAGE DOOR REMOTE CONTROL