Features:Intelligent regulation of voltage and current. No burning lamp, no electric shock, reverse protection. High brightness,accurate judgment. Wide voltage, input and output barrier-free. Double isolation, security protection. High and low pressure can be switched.Multiple light sources can be tested: test any LED lamp strip, lamp board COB light source, single lamp bead, etc.No need to remove the screen: test LED TV backlight and other LED backlight of any size without detaching screen.Test voltage: Test the voltage parameters of various components,such as voltage stabilizing value of voltage regulator and voltage withstand value of electrolytic .DC voltage: Testing the voltage value of DC power supply (less than 300V) can be used as DC voltmeter.Test circuit: Turn-on and leakage of test circuit.Specifications:Material: plasticColor: whitePlug: EUPower: 12WOutput current: 15/30mAInput voltage: 85-265VOutput voltage: 0-300VControl method: fully automatic adjustmentSize: (Approx) 93*60*30mm