Parameters: Operating Voltage: DC3.3-30V Operating Current: Display: 0.52" LED red Dimension: 54 L*30 W * 27H mm Installing Size: 47.2*27.3 Testing Rate: >500mS/once Testing Accuracy: 1%(±1 digit) Protection for Reverse connection: yes Extreme working conditions: Minimum Operating Voltage: + 3.3V Maximum Working Voltage: + 30V (The highest voltage can't be over 30V) Working Temperature: -10 ~ + 65 ℃ Working Humidity: 10 to 80% (non-condensing) Working Pressure: 80 ~ 106kPa Sun Exposure: no direct exposure Wiring Instructions: Red wire: + Black wire: - Package Includes: 1 X 2 Wires Waterproof Red Display Digital Voltmeter
- Waterproof voltmeter or voltage detector with 0.52" red LED display for measuring voltage DC 3.3V to 30V.
- Built in trimmer potentiometer, it is simple to do a calibration work.
- Reverse connection protection, no worry it will burn your meter when get it connected reversely.
- Product Features: Easy and convenient installation: two wires, just connect the red wire to the positive and connect the black wire to the negative.
- Wide application: suitable for most of electrical bike, motor and etc, will be a good tool to detect voltage.
- Waterproof voltmeter or voltage detector with 0.52" red LED display for measuring voltage DC 3.3V to 30V.
- Built in trimmer potentiometer, it is simple to do a calibration work.
- Reverse connection protection, no worry it will burn your meter when get it connected reversely.
- Product Features: Easy and convenient installation: two wires, just connect the red wire to the positive and connect the black wire to the negative.
- Wide application: suitable for most of electrical bike, motor and etc, will be a good tool to detect voltage.