USB Voltage And Current Watt-hour Monitoring Instrument $ 8.92 Product Details: Type: Digital voltage measuring instrument Measuring range: J7-a:0~3A/J7-b:0~2.1A (V) (V) Input voltage: 3V-25V (V) (V) Output voltage: 3V-25V (V) (V) Ambient temperature: -10~+65 (C) (C) Dimensions: 774516 (mm) (mm) Color: black Material: plastic Package Contents: Voltage detector X1
