Item Type: Battery Monitor Item Model Number: KL140F Voltage Measurement Range (external power supply): 0~120V Voltage Measurement Range (self powered): 10~80V Voltage Resolution: 0.1V Current Measurement Range: 0~400A Current Resolution: 0.01A Temperature Measurement Range: -20~120 Capacity Display Range: 0%~100% Power Measurement Range: 0~72KW Power Resolution: 0.01W AH Measurement Range: 0~9999.99AH Capacity Resolution: 0.001AH Electricity Measurement Range: 0~9999.99kWH Watt Hour Accuracy: 0.001WH Time Measurement Range: 0~999: 59: Time Resolution: 1 Second Bluetooth Communication Distance: . 10meter / 32.8ft AH Measurement Range: 0~9999.99AH Voltage Accuracy: 2%+3 digits Current Accuracy: 5%+10 digits color:Black Material:Metal+ABS Package Contents: 1 x Measurement Module 1 x Sampler 2 x data cable 1 x Temperature Sensor 2 x Accessory Board 1 x Terminal Connector 4 x screws 4 x White Accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.