Item Type: Alarm Clock Material: Plastic Color: White Projection Color: Red Battery: 3 x AAA Battery (Battery Not Included) Weight: Approx. 204g / 7.2oz Size: Approx. 8x8x9cm / 3.1x3.1x3.5in  1?��Time projection, can be projected on the wall, showing the current time in red, projection will stay 5-10 seconds. ?2?��Voice Timing function, press the switch, the time can be read, without looking at the time in person. ?3?��It can set alarm clock time, with 24 hours and 7-21 hours on time alarm, to bring convenience to your work and life. ?4?��With temperature display function, it can display indoor temperature at any time, which is very suitable for home use. ?5?��Two power supply modes, installing batteries or charging with DC 5V USB cable, are easy to use and can be used for a long time. 6?��This projection alarm clock is small and compact in size. It is suitable for family, office, study, bedroom, etc.