Easy in Carrying: Light in weight and compact in size as well, the LED lamp and backlight tester enables convenient carrying. High Work Safety: With soft start mode, the current gradually increases. Automatic and intelligent voltage regulation, no burning of lamp beads and no electric shock. LED Beads Tester: Can quickly copy the quality of LED light strip, light plate, etc., with moderate brightness without hurting eyes. Simple Operation: Compatible with any LED backlight screen and can be continuously lit, not limited by lighting time and test times. Wide Application: Allows for wide utilization on any size TV, computer, mobile phone, lamp string, integrated light source and more.