0.56 Inch DC5V-120V DC red Digital Display Voltmeter Two-Wire

Specifications:Measuring range: DC0-100VThe highest input: DC120V (risk of burning above this voltage)Allowable error: ?1%Display mode: three 0.56?? LED digital tubesDisplay Color: Red/Green/Blue (optional)Refresh rate: about 200mS/timesPower supply: DC4.5-30VCurrent consumption: less than 20mA, generally 5-15mAWorking temperature: -10?C~65?CDimensions: 48mm x 29mm x 16mm / 1.89in x 1.14in x 0.63in (Length x Width x Thickness)Opening size: 46mm x 27mm / 1.81in x 1.06in (Length x Width)Lead length: 20cm