brand new and Features:1. This instrument is a conductivity moisture meter specifically designed for the wood2. The instrument has for ABCD wood scales, enabling the user to take accurate moisture measurements in all kinds of wood species. 3. Auto Power OFF: This instrument will be Auto Power OFF if there is no any button pressing in 5 minutes. This design is for saving battery power consumption.4. Care and Maintenance: When the instrument is not in use, store the instrument in a stable, dust-free environment out of direct sunlight. Remove the battery from the instrument if it is to be stored for periods of more than one month, or when the low battery power symbol appears on the display.specification:Principle: ResistiveWood range: 4~75%Resolution: 0.1%Accuracy: 0.5%Electrode length: 10mm (0.4")Electrode needle: integratedAutomatic shutdown: after the button is not operated for 5 minutesPower supply: 2 AAA batteriesProduct material: ABS engineering plasticOperating temperature: 0 to 40 C (32 to 104 FColor:grayMaterial:ABS engineering plasticSize: 144 X 64 X 31mm (5.7" x 2.5" x 1.2")Quantity:1pcNote: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes:1xWood Moisture Meterbatteries not included