Note: Please allow 1?2cm / 0.4?0.8in error due to manual measurement. Specification: Item Type: Digital Wireless Weather Station_x000D_Material: ABS_x000D_Weather Monitor Size: Approx. 17x12x1cm / 6.7x4.7x0.4in_x000D_Sensor Size: Approx. 10.5x3.5x2cm / 4.1x1.4x0.8in_x000D_Color: Black_x000D_Weather Monitor Battery: 3 x AAA battery (not included)_x000D_Sensor Battery: 2 x AA battery (not included)_x000D_Indoor Temperature Measurement: 0C ~ 50C / 0F ~ 122F_x000D_Outdoor Temperature Measurement: -40~ 70C / -40F ~ 158F _x000D_Temperature Accuracy: 1% _x000D_Temperature Resolution: 1_x000D_Humidity Measurement Range: 20%-90% (RH)_x000D_Function: Clock, temperature, humidity, weather, alarm clock, calendar, air pressure, snooze_x000D_Characteristics: LED HD color display, ALPS button can withstand 100,000 presses, alarm clock Features: 1Long Range: Wireless sensor remote transmits up to 328 feet of the line of sight (100 feet under most conditions). 2Large Backlit Display: Temperature and humidity monitor with large LED HD color display. 3Function: Clock, temperature, humidity, weather, alarm clock, calendar, air pressure, snooze. 4Accurate Result: A wireless home thermometer in your home will collect more accurate data and provide a more accurate result. 5Wide Uses: Control the temperature in the bedroom, living room, nursery, kitchen, office, patio, greenhouse, camping trailer, henhouse, garage, etc. PackageList: 1 x Weather Monitor 1 x Sensor 1 x Manual 1 x Adapter 1 x USB_x000D__x000D_Power Cord