0.28 Inch DC3.7V-100V Mini Digital Voltmeter Battery Level Meter Red LED Screen Electronic Parts Accessories

Specification: Operating Voltage: 4.0-30V(Recommend 5-12V) Detecting Voltage: 0-100V Working Current: ≤20 mA Detection Rate: 3 times/s Install the hole: 29 mm Measurement Accuracy: ±3 % LED Color: Blue, Green, Red,(Option) The minimum working voltage: 4V The maximum working voltage: 30V Working temperature: -10 -65 ℃ Working humidity: 10~80% (No condensation) Working pressure: 80~106kpa Size: 40.53×14.43×10.68mm