It is a Voltmeter/Digital Voltage Meter/Digital Meter/Tester, Measuring Voltage Range: DC 3.0~30V Two-wire access, Application: industrial equipments,electronic equipment, Power distribution box, distribution cabinet, regulators, teaching aids, household small distribution box, Storage Battery Car,Motorcycle, Car, E-bike, ATV, Scooter, and All kinds Voltage Measuring.platforms.

• Cutting size: 23.5mm x 10mm
• Mounting holes distance: 29mm
• Measuring Voltage Range: DC 3.0~30V Two-wire access
• Measurement accuracy: 0.1V
• Refresh Rate: about 500mS/times
• Display: Three 0.28 " LED digital tube
• Display Color: Red/Yellow/Blue/Green
• Operating Temperature: -10 °c ~ +65 °c
• Power supply same Source,self-Power
• Application: industrial equipments,electronic equipment, Power distribution box, distribution cabinet, regulators, teaching aids, household small distribution box, Storage Battery Car,Motorcycle, Car, E-bike, ATV, Scooter, and All kinds Voltage Measuring.platforms.

• Red: Power Supply +,Measure Voltage +,(3.0~ 30V DC)
• Black: Power Supply -, Measure Voltage -

• 1 x Digital Voltmeter ( Digital Tester )