100% Brand new and high quality
precision automatic adjustment ，when less than 10V accurate to 0.01V， more than 10V accurate to 0.1V
And it is self-powered version， Two wire connection， with reverse polarity protection
No power supply needed
Display color: blue
Two-wire Measurement range: DC 3.0-30V
Min. input voltage: DC 3.0V
Max. input voltage:DC 30V(Higher than this voltage is has a risk of overburning)
Permissible error: 1%(±1 digit)
Display mode: three digit 0.36\'\'LED digital tube
Size: 25 x 15 x 10mm (L*W*H)
Speed ratio: about 200ms/time
Install hole size: 24 x 15mm
Working temperature: -10degree~ +65degree
Lead wire length: 16cm

1x Digital Voltmeter