The Protimeter BLE is a compact device that measures and logs Relative Humidity, Temperature and Moisture Content in building materials. Features: Precise measurements of relative humidity and temperature Measure moisture content of wood and WME in other materials Data logs up to 1,000 readings IOS and Android app available for free download Replaceable battery IP65 environmental protection Benefits: Long and short-term monitoring of a building’s moisture health Early warning of potential mold problems Monitor environmental conditions over the long-term to help protect buildings of artifacts Simple Bluetooth pairing and setup Multiple settings for logging and interval setting Measure moisture content in a range of building materials, including wood and drywall No monthly fees Video Specifications Weight 0.06 kg (2.2 oz) Dimensions (LxWxH) 53 mm x 67 mm x 23 mm (2”x 2.6”x 0.9”) Storage Conditions Temperature -40°C to +50°C Operating Conditions Temperature -20°C to +50°CHumidity 0-100% (non-condensating) Environmental Protection IP65 (dust and water jet protected) Relative Humidity Humidity 0-100% (non-condensating)Accuracy 20-80% RH +/-2%(+/- 3% accuracy outside this range) Moisture Content Accuracy 8-30% WME +/-1%(+/-3% accuracy outside this range) RF Low-powered Bluetooth (BLE)Bluetooth range up to 10M (32.8ft) depending on surrounding building structures Power Battery CR2450 (replaceable)Battery life depends on logging interval set within the app, however, battery life can be in excess of one year Warranty 1-year on mechanical or manufacturing defects, does not include wearing part or accessories Part Number BLD2025 Software Download from the Google play store and Apple App Store In the box 1x Protimeter BLE 1x CR2450 Battery 2x Screws Free Protimeter BLE App available for download