SMART SENSOR moisture meter Digital hygrometerfor wood /cardboard Lumber Humidity 1. All products with original packaging box, so that can protect the products well on the shipping way avoid damage. 2. The product does not contain the battery because of the limitation of the airline company. 3. Warranty:All units are with Retail box. and we offer Long warranty period of 2 years,in two years will repair for free. 4. Shipping Way:if you need it faster, you can choose Aliexpre standard shipping,also have China post airmail ! Thank you for purchasing Smart Sensor's product. Please read this manual before using the product. It will show you the right way to operate and also easy way to maintenance. This is a precise meter to detect the moisture content in the Wood, Bamboo, Paper, Herbals, etc. 1. High Frequency Electromagnetic Wave Measuring - Fast measure the moisture content of many kinds of wood materials. 2. Large LCD Display & Wide Range - Wood 2%~70% RH, Resolution:0.5%, Accuracy:(1%RH+0.5). 3. Stable Performance and Quick Response - Reliable for contractors, woodworkers and homeowners to measure the containing water of most wood, bamboo, paper, herbals, book, wooden block, carton, etc. 4. 10 Modes of Wood Density Selection - Pre the DENSITY button to select the appropriate wood density(0, 1, 2, 3, 4, 5, 6, 7, 8, 9). 5. More Practical With Versatile Function - Auto power off in 3 minutes without any operation, data hold function, large LCD display with switchable backlight, easy to read. 6. Put the Sensor Surface on the Surface of the Measured Object - Moisture value will be displayed. Product Specification Model Smart Sensor AS981 Auto-off Auto-off after 3 mins without any operation High frequency electromagnetic wave measuring LCD display Large LCD Display Selection 10 modes of wood density selection symbol indication User-friendly symbol indication Measuring range 2~70 Resolution 0.5 Accuracy (1RH+0.5) Density Modes 4 Modes Low Battery Indication YES Power 3 x AAA 1.5V Batteries (not inlcude) Dimensions 150x54x27mm Product Net Weight 210g(with batteries) Product Size 150*54*27mm Packing Style Gift Box Working environment Temp. range:0~40 or 32~104 Humidity range:0~70%RH Packing Contents 1pc Moisture meter, 1pc User's manual