Mini DC Voltmeter 2,5-30V

Features : Two-wire access. No need additional power. Precision automatic adjustment. Specification : Display Color : Red, Green, Blue optional~ Display : Three 0.28" LED digital tube Refresh rate : About 500mS/ times Maximum input : <1.2 times the range Accuracy : 1 %(+/- 1 digit) Power Supply : DC 2.5-30V (with the input common-line) Operating temperature : -10°c-65°c 10V or less Accurate to 0.01V, 10V more accurate to 0.1V. Size : Approx. 2.3 x 1 x 0.8cm/ 0.9 x 0.39 x 0.3" Wiring : Red : Positive Black : Negative Reverse Connect Protection Package Included : 1 x 0.28" Digital Voltage Panel Meter Voltmeter