Temperature and time projection with on/off button; Dual alarm clock with snooze function; time in 12/24 hour format; Indoor temperature and humidity, selectable degrees Celsius or Fahrenheit; 1 USB charger, convenient for charging electronic devices; The projection angle can be changed; Small, simple design and large digital display make it easy to read all information from every angle Automatic snooze function: Follow the steps below to activate the automatic snooze function, when the alarm goes off, touch the "Light/Snooze" button to activate the snooze function. The snooze function is then activated or the icon flashes on the display. This action moves the alarm back 5 minutes, at which point the alarm will restart. Press any button to interrupt the snooze function. FYI: If one snooze alarm clock is in the process of alarming, another alarm clock will alarm, automatically stop the snooze function of the first alarm clock Backlight: At any time, touching the "light/snooze" button will turn on the backlight for 8 seconds. In the case of using the USB data cable, the backlight of the product will have 4 brightness modes, bright-medium-low-bright, each press switches a mode. and stay on Charging function: In the case of using a USB data cable, the mobile phone or PDA can be charged through the USB plug on the left side of the product Projection function: The projection lamp on the right side of the product can project the current time and temperature of the clock onto the wall or roof, so that you can watch the time at night, if the projection direction is not correct, please press the ldquo rdquo button behind the middle direction button to switch the display direction. Projection will always work when using a USB cable. You can choose whether the lamp stays on or not with the ON/OFF switch on the back of the product. When the battery is powered, you can also use this switch to select whether the projection lamp and the backlight are turned on at the same time power supply: 2 AAA batteries (not included) or USB power cord (included)