Features: Application Range: LCD backlight detection, LCD TV backlight detection, LCD maintenance display channel detection, CCFL advertising signs, motor angel eye headlights ect. Applicable For: The tester is suitable for home appliance maintenance personnel, LCD maintenance personnel. Easy Use: Ergonomically for point measuring high voltage. It is lightweight, easy to handle because of its size and structure. Power Supply: Directly connect this tool to the monitor 12V power supply, and clip the both end of lamps, you can light the CCFL lamps. Universal: You can test all CCFL tubes and take care not to create high voltage arcs that can damage the tubes. Specifications: Item Type: CCFL Tester Material: Plastic Color: Blue Voltage: 12V Size: About 6.5 x 2.5cm/2.56 x 0.98inch Package Includes: 1Pc x CCFL Tester 2Pcs x Connecting Extention Line Notes: Transition: 1cm=10mm=0.39inch 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.