This multipurpose alarm clock is made of , which can withstand use. Features the ABS and acrylic material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Material: ABS, acrylic mirror -Size: About 8.50X1.50X15.00cm/3.34X0.59X5.89in -Note: Powered by 5V1A external power. Plug and the alarm clock can work, the built-in button battery is memory protected after power failure. -Temperature range: -20 degree centigrade~70 degree centigrade -Temperature error: ±1 degree centigrade -Humidity range: 20%~95% -Humidity error: ±5% -Manufacture with ABS and acrylic materials, , waterproof and . -No other pigments are added, the mirror of the clock is clear, refreshing and natural. -Can display temperature and humidity, 3 in 1 multipurpose. -You can easily understand the temperature and humidity of the surrounding living environment. -Can set up to 3 sets of alarm at once, turn on the work day mode, the alarm will go off from . Package list: 2 x alarm clock 2 x USB cable 2 x English instruction 2 x wall sticker