A rectangular digital blue LED voltmeter panel. DC 0 - 99V mini meter. High-accuracy meter displays blue digital numbers. Pops into rectangle hole you make in metal or plastic chassis. Simply twist the white and red color wires together to read say 6 to 24VDC such as a vehicle or battery "go box". See other instructions below...
Brand new and high quality.
Measuring range: DC 0V--99VDC.
Input range: Input: Volts up to DC 99V on the WHITE + common ground black wire.
6V to 24VDC for the RED wire + black that's to the circuit to run I.C. chip on board.
Working Current:< 13mA.
Display Color: Blue.
Display: Three 0.56 "digital LED.
Measurement accuracy: ±1%.
Refresh rate: about 300mS / times.
Input impedance: > 100K.
Operation Temp: -10℃-+65℃.
Size:2.8cm x 4.7cm x 2.1cm.
RED: 6-24VDC power supply source to drive the unit's chip circuits
Black: always is the common ground
WHITE: separated will measure volts from 1V up to 99V or option 3 is twist the Red/White together for typical 6 to 24VDC readout
Please ask about the above if confusing, we are happy to help!