Wattage : 55W Voltage: 9-23V Lumen : 11000LM Product life : 35000 Hour Waterproof Rate: IP68 Heat dissipation : Turbo Fan Colour temperature : 4300K / 6000K / 8000K Lamp bead : ZES-1680 lamp bead Material : Aluminum + Red copper Working temperature : -40° ~ +80°C *PRCE FOR 2PCS* * 1 YEAR WARRANTY* NOTE 1. Please return the bulb(s) with the box and warranty card provided 2. NO warranty able to claim if return without box 3. Buyer would need to bear for the return delivery fees