Paintless Dent Repair Removal Tool Checking Reflector Line Tricolor Detection Board, EU Plug ALLDOCUBE N-channel and P-channel MOS field

N-channel and P-channel MOS field effect transistors

no need to pair

Each input channel can be adjusted volume individually

and if the motion continues

Backlight source: LED

Paintless Dent Repair Removal Tool Checking Reflector Line Tricolor Detection Board, EU Plug ALLDOCUBE N-channel and P-channel MOS field1. The reflector board is used for checking where is the dent on the the surface of flat metal. 2. You can find the dent position by aligning line. The reflection becomes distorted at the dent position, and you can fix it with your tool to make the distorted image even or uniform again. Once the distorted image or lines become parallel in the reflection, then you have successfully removed the dent. 3. Built in LED, can be used indoor without the