Screw holes measures :28mm
Measuring range: DC 0.1V-30V
Display Color: Green/Blue/Red
Measurement accuracy: 0.1%
Refresh rate: about 300mS / times
DC 0-30V 2 Wire LED Display Digital Voltage Voltmeter Panel Car Motorcycle
The device can be damaged if input is over 32V
100% Brand New and High Quality
Display: Three 0.36 "digital tube
Input range: DC 2.7V-32V
Input impedance: About 100K
Max Input: DC 32V.