6 In 1 Creative Lcd Digital Projection Alarm Clock Thermometer Hygrometer Desktop Time Projector Led Back Light Nap Alarm

Description:
Name: Projection Alarm Clock
Color: black, white;
material: plastic;
Projection distance: 1-6m;
Temperature measurement accuracy: +/- 1℃;
Humidity measurement accuracy: +/- 5%;
Humidity detection: 20%~99%;
Temperature detection: -9°C to +60 (14.2~140°F);
Projector rotation angle: 180°;
Calendar display: 2001-2099;
Clock size LxWxHcm: 15x2.5x11cm/5.9x0.99x4.33inch;
Power: 2 AAA 1.5V batteries (not included) or USB-3.5mm DC charging cable
features:
1. When powered by a DC adapter, the LED backlight is always on
2. When using the battery, the LCD screen is dimmed to save power. It only takes 12 seconds to light up the LED backlight after each press;
Packing list:
1 x Projection Alarm Clock
1 x USB Charging Cable
1 x User Manual
1 x packing box
Note: 
1. Try not to use high-power alkaline batteries for alarm clock batteries. It is recommended that you buy carbon batteries. 
2. Long-time projection and long-bright backlight can be used with external power supply, but long-time projection and long-bright backlight cannot use batteries! 
3. When the projection clock is 2 meters away from the receiving wall or ceiling, the height of the projected font is about 20 cm, and when the projection clock is 6 meters away from the receiving wall or ceiling, the height of the projected font is about 60 cm;