This digital multimeter is a versatile measuring instrument with a range of functions including continuity buzzer, backlight function, AC voltage testing, transistor testing, diode testing, and battery testing. It has a large LCD screen for easy viewing of numbers and a data hold feature for retaining measurements. The multimeter is powered by a 9V battery (not included) and has a size of 145X69X34mm/5.71x2.72x1.34inch. Ideal for electrical DIY supplies, this multimeter is a reliable and efficient tool for professionals and enthusiasts alike. With its digital display and multiple testing functions, it is a comprehensive measuring instrument for various electrical tests.