C90D 0.36" Digital Voltmeter DC 4.5-30V 2 Wires Red LED Display Panel Voltage MeterOOTDTY Features:Measuring Range: DC4V-30.0V Power Supply: No Need to Power Supply Separately, Directly Use the Measured Voltage as Power Supply, the Range is the Same as Above. Highest input: DC30V. Note: The input voltage is higher than 32V and may be permanently damaged! Permissible error: 0.1%, decimal point is automatically shiftedMeasurement error is +/- 0.1V when measuring voltagegt; = 10.0VP100K ohms voltage measurementOperating current: red lt; 23mAC Refresh Rate: About 300mS at a time Display Mode: Three Digital LED Tube 0.36" Working Temperature: -10°c - 65°c Display Color: Red Dimensions: 33x14.5mm/1.3x0.57inch Cable Length: 100mm Quantity: 1 PcNote: 1. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before bidding.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Included:1 x Voltage Meter