1. Test any LED light strip, COB light source on the light board, single light bead, etc 2. No disassembly screen test for any size, LED TV backlight and other LED backlight 3. Test the voltage parameters of various components, such as the voltage regulation value of voltage regulators and the voltage withstand value of electrolytic melting 4. Test the voltage value of the DC power supply (within 300V) and use it as a DC voltmeter 5. Test the continuity and leakage of the circuit Power: 18W Input voltage: 85-265V Output voltage: 0-300V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC220V / Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. Voltage:AC110V (with switch) Color: As Shown Material: plastic Package Contents: 1 * LED Light Strip Tester 2 * Test Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.