0.28 Inch LED Ultra-Small Dc Digital 0-100V Voltmeter Voltage Tester Three-Color Display 4-40V Power Supply (3-Wire)

Small in size and light in weight,quite easy and convenient to carry out.
0.28 inch visible LED display, easy to read even in dim light
It requires extra power supply of 4V to 40V;
With reversed connection protection, meaning it will not burn even when wires are connected reversely

Parameters:
3-wire working voltage: 4.0~40V (with reverse polarity protection).
3-wire measuring voltage: 0.0~100V.
Measurement accuracy: 1 % (+/- 1 digit) refresh rate FF1A; about 200mS/time
Operating temperature: -10°c ~ +65°c
Power consumption: 5-15mA under normal conditions
Cutting Size: 23.5mm x 10mm
Mounting hole distance: 28mm
Red: Power+, (4.0~40V DC)
Yellow: measuring voltage +,(0~ 100V DC)
Black: Power
Measuring Voltage
Note: 1. The meter requires an additional DC 4.0 to 40V power supply
2. The resolution is 0.1V, the actual error may be greater than 0.1V
size:30x10x8 mm
Material:ABS
colour:Yellow+Black+Red

Package Contents:
1 * voltage display

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.