LED bulbs may malfunction due to design flaws and excessive heat accumulation. When one diode burns out, the entire bulb may cease to operate. By locating and bypassing the defective diode, it's ...
'Tis the season to untangle last year’s Christmas lights... only to find a few bad bulbs in the mix. Don’t trash that string yet: Now you can find the problem and fix it with the LightKeeper Pro.