How to operate this LED tester:
1. Plug in power,it will work after 3 to 5 seconds.
2. The soft start mode makes the LED backlight getting brighter gradually.
3. No burning out, if you aren't sure about the "+"and "-",don't connect the probes to the LED lamp for a long time.
4. Open Circuit Protection : Don't touch the output terminal probes for a long time.
5. Dual Isolated Design makes LED Lamp LED TV Backlight Tester safer with high strength and flame retardancy materials.
This LED tester can find defective LED in few seconds because of automatically adjust the voltage level and current. It is suitable for LED TV repair and all LED application.
Very useful when troubleshooting LED bulbs, especially when it starts flickering.
No sparking when test pen is short-circuited.Intelligent adjustment of output voltage and current against electric shock.
The current will increase gradually with automatical and intelligent voltage rugulation without burning LED beads.
Input voltage: 110-265V International General ;Output voltage: 0-220V