1、No Need to Remove the Screen: Try the TV LED backlight and another LED backlight of any size without removing the screen. 2、Automatic Identification:The LED strips test tool adapts automatically to the voltage and current. Automatically identifies the lamp accounts and the light bay. 3、Applicable: Fit for LED strips test, LED panels, a single LED account, COB lighting sources, LED TV backlight, screens, computers and so on. 4、Practical: The LED TV backlight tester supports positive and negative test pen short circuit protection. Support to light a variety of single LED lamp beads. 5、Safety: Heat and cold isolation, never electric shock, power cable and box integrated design, easy to carry out. Item Type: LED Tester Material: Plastic Weight: Approx. 270g/9.5oz Size: Approx. 145x35x85mm / 5.7x1.4x3.3in Length of Test Pen: Approx. 130mm/5.1in Color: White + Yellow Type: Digital Display Output Current: <30mA 2 x Test Pen 1 x Host 1 x English Instruction 2 x Pen Tip Protective Sleeve