Four speeds optional: 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%~70%. Probe protective 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, it can penetrate the test surface and has fast and accurate characteristics. The Hold button freezes the reading and holds the data. High-definition backlight display: Support backlight display, it is easier to read the measured value in the dark environment of day and night, and the work efficiency is higher. 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 an indispensable device to facilitate your work. Temperature compensation function: It has automatic temperature compensation function, which can reduce the error caused by too high or too low temperature during measurement. Net weight: 67G Product size: 130*45*27MM Power supply mode: 3 AA batteries (without batteries) Describe: 1 large-screen LCD monitor 2 wood type selection functions 3 Measurement range: Tree name to be selected according to the different types 4 Type 1: 2% ~ 40% Type 2: 2% ~ 50% Type 3: 2% ~ 60% Type 4: 2% ~ 70% 5 Resolution: 0.1% 6 High precision and quick response 7 Data hold function 8 Display symbols and units for easy reading. 9 Low battery indicator function 10 Automatic temperature compensation function 11 Automatic shutdown within 10 minutes without any failure Color: Black Quantity delivered: 1 piece