Optional four speeds: select the speed according to the axis type to make the measurement more accurate, type 1: 2% to 40%; type 2: 2% to 50%; type 3: 2% to 60%; type 4: 2% to 70%. Probe cover: made of natural rubber, not easy to fall off, easy to use. High sensitivity probe: designed with 2 high-precision 303 stainless steel probes, can penetrate the test surface and has specific characteristics. The hold button freezes the reading and retains the data. High-definition backlight display: supports backlight display, it is easier to read the measured value in dark environments during day or night, improving work efficiency. The tester is lightweight and easy to carry. Wide range of applications: can be used for building materials, wood, water stains on walls, capers/dirt, etc. It is a helpful device to facilitate your work. Temperature compensation function: has automatic temperature compensation function, which can reduce the error caused by high or low temperature during measurement. Refer to user manual. Features: Material: ABS. Resolution: 0.1%. Power supply: 3 AAA batteries (not included). Product size: 13 x 4.5 x 2.7 cm. Package size: 13.7 x 5.2 x 3.8 cm. Package weight: 75g. Note: The product does not contain a battery; please purchase it separately. Packing list: 1 x wood moisture meter, 1 x manual.