It is a Red Digital Voltmeter,Measurement Voltage +/-2V,Power Supply DC +5 V ± 5%, it has Reverse polarity protection ,small size, high efficiency, long term stable and reliable quality,easy installation and use, Application:electronic equipment,industrial equipments or other products voltage measurement.

Features:

• Dimensions: 79 x 42 x 27 mm
• Operating voltage: DC +5 V ± 5%
• Operating current: <100mA
• Full measurement Range: +/-1.9999 V
• Resolution: 0.0001V
• Displayed: 4 1/2 0.56"  Red LED digital tube
• Input impedance:> 1 Mohm
• Measurement rate: >/= 2 / S
• Over-range display: "H"
• Working temperature: -10 ~ +50 °c
• Operating Humidity: 10 ~ 80% (non-condensing)
• Working pressure: 80 ~ 106kPa
• Sunlight: No direct exposure
• SMT process
• Quartz crystal, high accuracy
• Case closure,pure flat displayed
• limiting resistor, LED digital tube consistent brightness
• With Calibration potentiometer
• Selectable decimal point position
• Can Measure positive and negative voltage
• Power supply with polarity protection circuit
• Application:electronic equipment,industrial equipments and DIY ect

Package included:

• 1x Digital Voltmeter