Led World Constant Current Driver for 18 pcs 3W High Power LED 12-18x 3W Driver waterproof Package Included: 1 x LED Driver NOTE:Tabs on two sides may be broken during transportation. If mind, please do not buy the driver. Input Voltage: AC85-265V 50/60Hz Output: 650MA DC40-73V Dimension: 106*28*37mm TC: 75C TA: 50C(MAX)