3-Digit Red LED Digital Voltage Meter (DC 0~99.9V)
Model 6974 Quantity 1 Color Black Material PCB + Iron + plastic Specification Measuring range: 0~99.9V; Three 0.56 LED digits display; LED color: Red; Refresh speed: 500ms/time; Measuring accuracy: 1% (+/- 1 digit); Power supply: DC 4~30V Features Yellow cable: Measuring input signal; Red: Power supply; Black: Public negative ; With Reverse polarity protection Application For DIY project Packing List 1 x Voltage meter 1 x Power cable (14cm)