Description This alarm clock is made of ABS material, which can withstand long-lasting use. Features the safe material, which has high durability, alarm clock is not easy to deform. Fine workmanship, ensures alarm clock practicality. Features - Color: Black 2 -Material:ABS - Size: 15.00X5.50X3.40cm/5.89X2.16X1.34in -Power supply: USB or 3 x AAA battery(not included) -Temperature range: -10℃ ~ 50℃ -Dark mode: 18:00 ~ 6:00 - The alarm clock is and delicate than others, you could keep it for a long time. - This clock owns the resistance ability, and also decorative, delicate. Good performance, multi-functional and fashionable clock is always provided by us. - This alarm clock is suitable for bedroom, office, living room, kitchen and so on. - Fashionable and generous alarm clock appearance and very practical design, a nice helper for home. - The digital alarm clock is light and compact, easy to use and portable to. The alarm clock is and delicate than others, you could keep it for a long time. This clock owns the resistance ability, and also decorative, delicate. Good performance, multi-functional and fashionable clock is always provided by us. This alarm clock is suitable for bedroom, office, living room, kitchen and so on. Fashionable and generous alarm clock appearance and very practical design, a nice helper for home. The digital alarm clock is light and compact, easy to use and portable to.