LCD display : 4000 Counts with backlight. Automatic polarity identification. Over range indication: OL. Low battery indication. It can be used to measure AC/, AC/DC current, resistance, capacitance, diode, continuity testing, frequency, duty , etc. Characterized by stable function and high reliability, with the features of overload protection and backlight lighted LCD display for clear reading. Auto power off after 15- no-operation. Small size and light weight, suitable for carrying anywhere. With a bracket behind, can stand on your desk in a great position for easy reading. Operational temperature: 0-40, Less than 75% RH Storage temperature: -20-60, Less than 80% RH Power supply: 3V (2 * 1.5V)AAA battery (Not included) Power consumption: 4.5mW (Typical) Colour:black+blue Material:ABS Size:138 x 65 x 28mm Package Contents: 1 x Multimeter 1 x test clip 1 x Chinese and English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.