This digital multimeter is a must-have for every science lab! The multimeter has a 3 1/2 Digits LCD screen with a maximum reading of 1999. Audible continuity & diode test. The power will automatically be cut off when the multimeter hasn’t been used for 15 minutes. Is also comes with low battery indication. It has full range overload protection and automatic negative polarity indication. The multimeter is powered by a 9V battery and comes with test leads (a pair). Is also has a stand and the screen position can be adjusted for easy viewing at different angles. A manual is included. The multimeter measures 19 x 8.9 x 3.5cm. Electrical specifications: DCV Range: 200m-2-20-200-1000V Imput impedance: 10M” on all range Accuracy: 0.5% ACV Range: 200m-2-20-200-750V Imput impedance: 10M” Frequency range: 40 – 400Hz Accuracy: 0.8% DCA Range: 20uA-200uA-2mA-20mA-200mA-2A-10A Measuring Voltage drop: 200mV Accuracy: 0.5% ACA Range: 20uA-200uA-2mA-20mA-200mA-2A-10A Measuring Voltage drop: 200mV Frequency range: 40 – 400Hz Accuracy: 1.0% OHM range : 200″-2K”-20K”-200K”-2M”-20M”-200M” Accuracy: 0.8% CAPITANCE range: 2nF, 20nF, 200nF, 2uF, 20uF, 200uF