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LED Tester 0-330V TV Backlight Tester Multipurpose Screen Repair Tools without Disassemble LED Bead Lamp Strips Check Device Model: GJ2B Input Voltage:AC 85-265V (International General) Output Voltage: DC 0-300V Output Current:10mA Characteristic:No glaring,comfortable brightness Model: GJ2C Input Voltage:AC 85-265V (International General) Output Voltage: DC 0-320V Output Current:30mA Characteristic:No need to remove TV screen Model: GJ2C+ Input Voltage:AC 85-265V (International General) Output Voltage: DC 0-320V Output Current:30mA Characteristic:Power switch.No need to remove TV screen. Model: GJ3C Input Voltage:AC 85-265V (International General) Output Voltage: DC 0-320V Output Current:1mA/30mA Characteristic: 1mA/20V ,1mA/320V ,30mA/320V Three gears adjustable. No need to remove TV screen. Gather Professional Functions Test multiple light source : Test LED stirp, LED panel,COB and integrated LED lights,single LED bead,etc. Repair TV without disassemble : Testing the LED TV backlight without disassemble. No size limit : Applicable to any size LED TV backlight. Test various components : Test voltage parameters for diode,triode,stabilivolt,VDR,capacitor,etc. Test circuit : According to the voltage to determine open-circuit,short circuit and the number of the light beads in series. As a DC voltmeter : Test the voltage value of DC power supply（<300V） LED Tester Serise Package List 1x LED Tester 1x Test Probes (black and Red) 1x Power Cord 1x User Manual Weight: 300g WARRANTY 1. This product is guaranteed up to one year from purchase. 2. If there are some performance problem, simply return it in its original condition within 30 days of receiving it. In the warranty period, we will repair it and ship you a good tester. 3. The warranty period will be extended for three months after repair. 4. During the warranty period, freight AA. 5. Please note that the guarantee policy does not apply to: A. Product has man-made damage or accidental damage such as excessive input voltage high temperature, water damage, drop and break,mechanical damage and corrosion. B. Unauthorized modification and tearing the product date mark.