This tester does not include test leads. If you need to buy test leads, please click on the picture below to purchase. Black technology new LED TV tester Features: Exquisite and compact, the voltage adapts automatically, short-circuit does not burn the lamp beads, and it is easy to test the fault without disaembling the screen, and the quality is stable. Introduction: LED TV screen backlighting iues are becoming more common. With this product, there is no need to remove the screen when testing LED backlights. You can easily find LED strips because you don't need to disaemble the LED TV to test the LED strips, which can save you a lot of time. This LED light LED backlight tester can find faulty LEDs on the tape with automatic voltage and current regulation in seconds. If there is a problem with the LED strip, you can replace it or replace the bad LED bead. Transformer insulation is protected from heat and cold and protects you from electricity, so you can use it with confidence. Suitable for all series of light panels and light strips, perfect for backlight detection and maintenance tools! It is a great tool for every technician. It can be tested for a long time without damaging the lamp beads. specification: Input voltage: AC85V-265V Output voltage: 0-300V Output current: 0-35mA Size: app.9.4x5.7x3.6cm Quantity: tester plus meter. The tester can be used with test leads. If you need test leads, you can click the link below to purchase the product.