Features:This is a multi-function DC meter based on 2.4G wireless datatransmission technology.It can measure miscellaneous parameters such as voltage,current, power, charge and discharge capacity, watt-hour, time, and temperature.It has over-current protection, under-voltage protection,and limited protection and other protection functions.The instrument can automatically identify the direction ofthe current, and the battery capacity can be monitored in real time.The instrument uses TFT LCD display, display information iscomprehensive, user-friendly and better interaction.Specification:Model(Optional)VAT-1050VAT-1100VAT-1200VAT-1300VAT-4300Voltage measurement range0~100V0~100V0~100V0~100V0~400VVoltage resolution0.01V0.01V0.01V0.01V0.1VCurrent measurement range0~50A0~100A0~200A0~300A0~300ACurrent resolution0.01A0.1A0.1A0.1A0.1ARelayExternal External External External External Temperature measurement range-20~120 Capacity display range0%~100%Power measurement range0~200kWPower resolution0.001WAH measurement range0~2000kAHCapacity resolution0.001AHWatt-hour measurement range0~4000kWHWatt-hour accuracy0.001WHTime measurement range0 ~ 99 daysTime resolution1 secondCommunication channel rangeA ~ Z (26 channels)Communication channel range01~99Voltage accuracy 2% + 3 wordsCurrent accuracy 5% + 10 wordsSampling rate5 times / secondCommunication distanceup to 10 metersMeasurement module power consumptionAbout 0.4WDisplay module power consumption0.5WNCP0 ~ 300A (negative over-current protection setting)OCP0 ~ 300A (positive over-current protection setting)OVP0 ~ 100V (over-voltage protection setting)LVP0 ~ 100V (under-voltage protection setting)protection delay time0 ~ 10sWeight453g / 16ozPackage list:1 * Meter Display1 * Meter Module1 * Data Cable1 * Temperature Sensor Probe1 * 2P Cable.