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YEKMLCO KT4H 0-330V LED TV Backlight Tester

  • 270 sold in 180 days
  • 99% positive feedback
COP 96,658COP 131,993

See the offer on AliExpress

Price updated on October 15, 2026. It may change on AliExpress.

The YEKMLCO KT4H is an LED TV backlight tester operating at 0-330V. It features smart adjustment and manual voltage tuning, along with a constant current driver board built for repair tasks and LED counting.

What to know

  • 0-330V voltage range
  • Smart and manual adjustment
  • Constant current driver board
  • Built for repair

Great for: Technicians working on LED television repairs.

Frequently asked questions

What is the voltage range of the YEKMLCO KT4H?

The range is 0-330V as stated in the title.

What kind of adjustments does it support?

It supports both smart adjustment and manual voltage tuning.

Does it include a board?

It includes a constant current driver board.

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