Tanotis 2-wire 3 1/2 Digital Blue LCD AC 80-500V Volt Panel Meter voltage power supply Batteries It works great with the

It works great with the 6400BG Heatsink

ceramic disk magnet

Fuses are pretty simple

there are four LEDs that

Tanotis 2-wire 3 1/2 Digital Blue LCD AC 80-500V Volt Panel Meter voltage power supply Batteries It works great with the2 wire 3 1 2 Digital Blue LCD AC 80 500V Volt Panel Meter voltage power supply Brand new and high quality. Small Temperature Drift. Work stable. Bright blue display. Low Power consumption. Over range indication. Easy install. Range: AC80 500V ( Measure Alternating Voltage Directly ). Backlight colors: Blue. Resolution: 0. 5% 2 digit. Size: 8cm x 4. 4cm 3. 15inch x 1. 73inch. Package Included: 1PCS*2 wire 3 1 2 Digital Blue LCD AC 80 500V Volt Panel