... 12V+/-10%Power cable length2.5 metersMaterialAerospace aluminum alloy casingFeatureenergy efficient,waterproof,shock resistant,corrosion preventionWaterproof of levelIP68Compare to the first ... board,then check the final effect.Further1.whorl design,best heat dissipation effect2.Aluminium alloy casing,shake proof,high temperature and corrosion ...