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 cycle, 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-minute 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.