Features: 1.This led tv backlight tester is capable of testing the backlight display voltage of LED of any size for a long time without damaging lamp beads. 2.Adopting dual insulation design to protect you from electric shock. 3.Smart adjustment of voltage and current. 4.High brightness prevents this led light tester from being disassembled. 5.High strengthen and flame retardant material ensure a safe measurement. specification:This LED light tester helps you know about and fix the LED TV screen backlight problem clearly through displaying working voltage function. Dual insulation design protects lamp beads from burning out, thus no electric shock. This led tv backlight tester is capable of testing the backlight display voltage of LED of any size for a long time without damaging lamp beads. Adopting dual insulation design to protect you from electric shock. Smart adjustment of voltage and current. High brightness prevents this led light tester from being disassembled. High strengthen and flame retardant material ensure a safe measurement. : Product type: LED Light Tester Material: ABS Input voltage: 85-265V Output voltage: 0-330V Dual insulation design: Support Multi-level protection: Support Plug: US plug Voltage: 100-250V Package size: approx. 13 * 10 * 3 cm/ 5.1 * 3.9 * 1.2 in Package weight: 240g/ 8.5oz Package List: 1 x LED Light Tester 1 x Power Cable 1 x User Manual 1 x Probe Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.