Specification: Item Type: Digital Thermometer Hygrometer Alarm Clock Material: ABS,PP 5inch Screen Size:Approx. 113 x 98 x 13mm / 4.4 x 3.9 x 0.6in Clock: 12 Hours Clock (AM is the Morning Period, PM is the Afternoon Period) Temperature Measurement Range: -10 to 70℃ Temperature Measurement Accuracy: Within Less Than 1 (1.8F) Temperature Resolution: 0.1°C (0.2°F) Humidity Measurement Range: 20 and RH to 90%RH Temperature Measurement Accuracy: Soil 5%RH Temperature Resolution: 1% Power Supply: 2 x CR2032H Button Batteries 120mAh (included) Alarm Clock Function: Alarm Clock Can Be Set to Ring, Built in Speaker Period Function: Can Be Set to Display Month and Day Timer: Chronograph, Countdown Function Comfort Expression Function: Air Comfort Measurement Function Weight: Approx. 115g / 4.1oz Package List: 1 x Digital Thermometer Hygrometer Alarm Clock 1 x Double Sided Tape 1 x Bracket Note: Ships with built in battery. Features Sensitive Induction: The Indoor Thermometer is highly sensitive to monitor the indoor temperature in real time, and the four monitoring air holes on the back can sense every change with high accuracy. 5in LCD Screen: Home thermometer adopts high definition 5inch LCD screen display, multi angle, clear picture quality, large font display, easy to read from a distance. Timing Function: Electronic hygrometer has a timing function, which is a good helper for time management and helps you accurately control time. Detect Temperature Humidity: Real time control of temperature and humidity changes, timely mobilization of other linkage equipment, improve indoor comfort, and better preserve the health of family members. Wide Application: Digital thermometer hygrometer alarm clock has a temperature resolution of 1%, suitable for work, study, home, etc.