20000 Display Multifunctional Multimeter: Overload automatic protection circuit design intelligent anti-chip. Accurate and stable measurement performance large screen digital display clear HD LCD Screen Display: Long press the (HOLD) key for 3 seconds to open the backlight function. The digital display is intuitive and clear, easy to read the value even in the dark, worry-free use Double Fuse Design: Built-in overload protection double fuse and configuration High-performance chip to prevent misoperation burn meter, safer to use Pen Design: Thicker and more durable, PVC is low temperature resistant, better toughness and Wear-resistant, thicker and more durable Full Protection Anti-Drop Sleeve: Made of wear-resistant silicone feels comfortable and durable, prop-proof protective sleeve design, industrial grade wear-resistant Functions: Auto range True RMS measurement Diode testing Continuity test Relative value measurement Voltage alarm Data retention Maximum value maintained LCD backlight Voltage undervoltage prompt Automatic shut-down 20-segment analog stick display Multiple displays Specifications: DC voltage: 200mV/2V/20V/200V/1000V AC voltage: 200mV/2V/20V/200V/750V DC current: 200uA/2000uA/20mA/200mA/10A AC current: 200uA/2000uA/20mA/200mA/10A Resistance: 200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ Capacitance:20nF/200nF/2uF/20uF/200uF/2000uF Temperature:(-20~1000)℃(-4~1832)℉ Frequency:10Hz/100Hz/1kHz/10kHz/100kHz/1MHz/20MHz Duty cycle: 0.1~99% Powered by: 9V*1 Battery (not included)