・This thermometer provides accurate humidity and temperature readings indoors ・With a smiley face icon indicating air comfort,it is ideal for monitoring family health and living conditions ・It can connect APP,make you can see the humidity and temperature state on your mobile phone ・Clear large LCD screen,large numbers,easy to read ・Suitable for offices,bedrooms,living rooms,bathrooms,schools,etc. ・Made of high-quality ABS plastic,strong and durable ・The simple and stylish design will perfectly match your room Specification: ・Temperature measurement range:-50°C~+70°C ・Temperature resolution:0.1°C ・Temperature measurement accuracy:±1℃ ・Product size:44*44*11mm ・Battery:1 x CR2032 button cell (included) ・Net Weight:21.6g Package included: ・1 x Thermohygrometer (with Button Cell) ・1 x Adhesive Tape ・1 x English and Chinese User Manual