A pen-type high precision multimeter with stable performance that can measure for DC/AC voltage (true RMS), for DC/AC current, capacitance, frequency, zero line/fire line, diode & continuity, resistance, and logic level Features: Multi-functions: for measuring for DC/AC voltage (true RMS), for DC/AC current, capacitance, frequency, zero line/fire line, diode & continuity, resistance, and logic level. Display: Pen-type multimeter with 3 5/6 digit display and 1.7-inch LCD with backlight provides clearly reading. Flip Display: screen 180-degree flip display is very convenient for checking the measured data at different angles. Other Functions: data hold function, overload for protection function, LED flashlight, low battery indicator, auto-off function, etc. Practical: a tool with excellent performance for laboratories, factories, radio enthusiasts and families. TA802A: Auto range TA802B: automatic recognition Specifications: Model: TA802A / TA802B (Optional) Material: ABS Display: 6000 Counts Display: LCD display Backlight: White Measurement Method: Double integral A/D conversion Sampling Rate: Approx. 3 times per second Overrange Display: OL Working Environment: 0~40, relative humidity