Basic info:
Overall dimensions: 8 x 29 x 22 mm/ 0.31 x 1.14 x 0.87 inch(LxWxT)
Opening size: 46 x 27 mm/1.81 x 1.06 inch
Operating current: below 18mA
Measurement range: DC 5-30 Volt
Working temperature: - 20 ~ 65 Degrees Celsius

Description:
The voltmeter wiring is simple, only need to connect the two wires;
It has reverse connect protection, even if it is connected reversely, it will not be burnt down;
If the input voltage is higher than 30 Volt, it may be permanently damaged!

Package content:
2pcs Green Digital Voltmeter