Designed for both indoor and outdoor use, this weather monitoring device offers accurate temperature and humidity readings. The large backlight color display with backlight ensures easy visibility, even in low light conditions. Its alarm and snooze functions add convenience, while the waterproof construction durability in all weather conditions. Features -Color:Assorted Color -Material:ABS, LCD display screen, electronic, magnet -Size:11.20X9.50X2.60cm/4.40X3.73X1.02in (Indoor Thermometer) -Size:11.00X5.00X2.30cm/4.32X1.97X0.90in(Outdoor Sensor) -Size:2.70X2.70X0.70cm/1.06X1.06X0.28in (Hook) -Indoor temperature range: -4°F to 158°F (-20 degree centigrade to 70 degree centigrade) -Outdoor temperature range: -40°F to 158°F (-40 degree centigrade to 70 degree centigrade) -Humidity range: 20% - 95% -Temperature display unit: degree centigrade/°F optional (default is degree centigrade) -Temperature resolution: 0.1 degree centigrade/°F -Humidity resolution: 1% -Refresh rate: 10 seconds. -Error: Temperature ± 1 degree centigrade, humidity ± 5% - receiving range: 100 meters - frequency: 433 MHz -Weatherproof performance: built to withstand various weather conditions, this device ensures accurate monitoring of temperature and humidity, rain or shine -Realtime humidity feedback: provides immediate updates on humidity levels, helping you maintain a healthy environment and protect sensitive items like musical instruments or artwork -Enhanced night visibility: the backlight color screen offers clear visibility at night, making it convenient to check weather and time without disturbing your sleep -DIY alarm features: includes a alarm clock with snooze memory, allowing you to tailor your routine to suit your lifestyle -Comprehensive climate : monitors indoor and outdoor conditions simultaneously, enabling you to adjust your environment for maximum comfort and wellbeing Package list: 1 x indoor thermometer ( 3 AA batteries not included) 1 x outdoor sensor (2 AA batteries not included)) 1 x warning card 2 x hooks