Description Notes: 1. Please do not disassemble the product if you are not a professional. 2. Be sure that the sensor is not covered with dust as dust may lead to inaccurate measurements. 3. Do not use alcohol to clean the sensor. INKBIRD IBS-TH3 is a Wi-Fi-enabled temperature and humidity sensor with temperature alarm, calibration, and data cloud storage and export functions. With its pocket-sized body, we can use it in refrigerators, reptile terrariums, cigar cases, wine cellars, warehouses, etc., and remotely monitor temperature and humidity through a smartphone anytime, anywhere. Specifications Brand: INKBIRD Model: IBS-TH3 Product Name: Wi-Fi Temperature Humidity Sensor Color: White Dimensions: 62mm*59mm*20mm Power Source: 3 AAA Batteries (not included) Temperature Range: -20?~60?(-4?~140?) Temperature Accuracy: ±0.3?/±0.5? (typical) Humidity Range: 0%RH-99%RH Humidity Accuracy: ±3%RH (25?/77?, 20%~80%RH); ±4.5%RH(25?/77?, 0%~100%RH) Sampling Interval: 10 seconds Recording Interval: 10min, 30min, 60min (default), 120min, 180min, 240min Warranty:1 Year Package Contents 1x IBS-TH3 Wi-Fi Temperature Humidity Sensor 1x User Manual