Usage Tips:Features1Temperature and Humidity Sensor: Self sensing should measure the range of air humidity and temperature, automatically judge and display temperature and humidity values, and freely switch between Degree C/Degree F.2Monitor Temperature and Humidity: The solar battery dual energy alarm clock can easily monitor temperature and humidity at home, in greenhouses or offices.3Timer Function: The alarm clock with temperature and humidity has a timer function that can measure temperature and humidity.4Easy to Read: A clear LCD is easy to use and read. Large numbers provides better visibility and clear readings. Battery solar alarm clock is made of ABS plastic material, which is durable.5Wide Applications: Battery solar alarm clock is suitable for homes, offices, schools, hotels, laboratories, kindergartens, kitchens, gardens, greenhouses, basements, and baby roomsSpecificationItem Type:BatterySolarAlarmClockProduct Material: ABSWeight: Approx. 267g / 9.4ozBattery Type: 1 x AAA Battery (Shipped Without Battery)Package List1 x Clock1 x User Manual