Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Input Voltage: 12V/24V/36V nominal, accept(8V-40V) range; Output Voltage: DC 13.8V 10A 138W Maximum Efficiency: greater or equal to 95%; Ripple Wave: 50Mv; Starting delay time: less than or equal to 2S Over-current /Over-load /Low-load /Short-circuit /Over-heat intelligent protection Compact aluminium shell with epoxy potting, waterproof, anti-dust, anti-shock protection and better heat dissipation Widely used to golf cart, motor, speaker, GPS, LED car display screen, -conditioner, electric fan, solar energy, photo-voltaic , DVD, industrial equipment . Colour: silver Material: metal Package Contents: 1 * DC Automatic Boost Converter Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.