Sensing : TRUE RMS sensing Display : 4-5/6 digits 60,000 counts Backlight LCD display Range : Auto / Manual Polarity : Auto Electromagnetic compatibility : In the RF-Field of 1V/m : Overall Accuracy = specified accuracy + 5% of range. No specified idex for the RF-Field over 1V/m Operating Temperature : -20 °C to 50 °C Storage Temperature : -30 °C to 60 °C Relative Humidity : = 80% (0 °C ~ 30 °C), =75% (30 °C ~ 40 °C), =45% (40 °C ~ 50 °C). Temperature Coefficient : 0.1 x (specified accuracy) / °C @ (28 °C) Low Battery : The symbol shows on the LCD. Dimension : Approx.225 x 100 x 60 mm Weight : Approx. 608gm (including battery). ? ACCESSORIES : Test leads (pair), User's Manual, 2 K-Type Temperature probes, Charging Adapter, Charging Connector, USB Cable, Software CD & carrying case. ? OPTIONAL ACCESSORIES : Bluetooth Communication (Optional) ? Safety : IEC / EN61010-1, EN61010-2-030, EN61010-2-033, CAT III 1000V and CAT IV 600V.