Electric vehicle dual display voltage and current meter VC288HV (High voltage version 100A red and blue + shunt) Note: For meters above 50A, including 100A, current can only be measured after the shunt is correctly connected; otherwise, it may cause damage High voltage version, DC 7-100V can be tested directly without external power supply High precision and high reliability, suitable for high-end applications Features reverse connection protection; will not be damaged if connected in reverse Voltage measurement range: DC 7.0V100V Current test range: 0100A Power supply range: DC 7.0V100V Voltage error: 0.1% Current error: 1% External shunt specification: 75 milliohms Working current: Less than 20mA Refresh speed: Approximately 300ms per update Display mode: Dual three-digit 0.28-inch LED digital display Display color: Red + Blue Lead wire length: 15cm Overall dimensions: Approximately 48 x 29 x 22mm (L x W x H) Installation hole dimensions: Approximately 46 x 27mm Operating temperature: -10C to 65C Color: As shown in picture Material: ABS Package includes: 1 x Digital Voltage and Current Meter (with wire) 1 x Shunt Only the items listed above are included; other items are not included Note: Lighting and display differences may cause slight variation in color between the image and actual item. Measurement error allowance is 13cm