Description: High precision 0.56" 2-wire voltage meter head. Low start working voltage, lowest 5V, easy and convenient operate. Accurate measurement with LED digital display, convenient to read. With reverse polarity protection, safe to use. High withstand voltage up to 132V. Specification: Measuring range: DC5~120V Maximum input: DC132V(note: higher than 132V may damage the meter permanently) Voltage measurement error: 1% Input impedance: more than 100K Working current Red less than 23mA, Green less than 18mA, Blue less than 13mA Refresh rate: about 300mS time Display: 3 digit 0.56" LED digital tube Display color (optional): red, green, blue Ambient temperature: -20C~65C Wire length: 20cm Size(L x W x H): Approx. 48 x 29 x 22mm Weight: 18g Package Includes: 1 Piece Digital Voltage Meter