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 Application Scenarios: Full-featured, high accuracy, and easy to operate. Applicable to a variety of occasions: electrical maintenance, equipment debugging, factory equipment maintenance, etc. Functions: True RMS measurement average measurement Diode testing Continuity test hFE Data retention LCD backlight Voltage undervoltage prompt Automatic shut-down 20-segment analog stick display Specifications: DC voltage: 200mV/2V/20V/200V/1000V AC voltage: 2V/20V/200V/750V DC current: 20uA/2mA/20mA/200mA/10A AC current: 20mA/200mA/10A Resistance: 200Ω/2KΩ/20KΩ/200KΩ/2MΩ/20MΩ Capacitance:20nF/200nF/2uF/20uF/200uF/2mF/20Mf Temperature: (-20-1000)℃/(0-1832)℉ Powered by: 1*9V battery (not included)