Feature: 1. Large LCD screen, more clear digital display, convenient for users to read quickly and accurately 2. The screen adopts a backlight design, so the measured value can be clearly seen in a dim environment 3. The measuring range is large, the measurement accuracy is high, and the measurement is rapid 4. It adopts adjustable stretch support frame design, which can be used conveniently in most situations. 5. This multifunctional digital multimeter can accurately measure AC and DC voltage, AC current, resistance, etc. It is very suitable for use in laboratories, factories and other places. Specification: Item Type: MultimeterMaterial: ABS+silica gel Purpose: measure current, voltage, etc. Model: W3315 Color: green and black Battery Type: Lithium battery (battery included) Battery Model: 9V 6F22 battery Nominal Battery Capacity: 240mAh Maximum Display: 1999 count (3 1/2 digits), with automatic polarity display Display Mode: LCD screen Over range Indication: only the number "1" is displayed on the screen Automatic Negative Indication: the negative sign "-" is displayed on the screen Sampling Rate: 2~3 times/sec (approximate value) Power Supply: 1 x 9V 6F22 battery Battery Low Voltage display: the battery sign is displayed on the screen Working Temperature: 0℃~40℃, relative humidity: <75% Storage Temperature: -10℃~50℃, relative humidity: <85%. Package List: 1 x Multimeter(batterty included)1 x 9V 6F22 battery2 x Test Lead Note: Do not measure more than the maximum current value specified in the specification.