Perfect Decoration for Aesthetic —The clock design is minimal and stylish. You can hang in on your wall, or place on your night stand, or your working desk. It doesn’t take up a lot of space. Plus, you can choose to display white or pink color light to alter the vibe of your room! SPECIFICATIONS Display Time / Date/ Temperature with Alarm functionLED Light : White/Pink (2-in-1) Power supply mode: USB cable 5V 0.75W CR2032 backup battery (not included): This clock is not fully battery-operated—backup battery is responsible only for keeping time and alarm settings, in case of a power outage Temperature range: 0°C–50°C (32°F–122°F) Size: 22.5*8 cm Material: Acrylic, ABS