Features:
Cutting size: 23mm x 14mm/0.9" x 0.55", Thickness: 10mm/0.39"
Mounting Hole Center Distance: 28mm
Measure Voltage: DC 0~30V
Working Voltage: DC 3V-30V
Measurement Accuracy: 1% (+ / - 2 digit)
Display: Three 0.36" digital LED Tube
Display Color: Red
Refresh Rate: about 500mS / times
Operating Temperature: 14 ~ 149 °F(-10 ~ 65 °C)
Reverse protection: Yes
When measured voltage is below 10V: the voltmeter displays two decimal digits, for example, 5.32V
When measured voltage is larger than 10V, the voltmeter displays one decimal digit, for example, 10.5V
Wiring:
Red wire: Power supply +
Black wire:Power supply -, Measured Voltage -
White wire: Measured Voltage +