Material Alarm clock is made of high quality metal material, solid, hard and durable. It is convenient for your baby. Wake Up This is a loud alarm ring. The best tool to wake you up in the morning. So, the students don't worry about late in school. Good Helper Alarm clock is uneasy to broken.It is give your a good working and learning environment, also for a soothing sleep. Mini Design Alarm clock with battery operated has mini design, small and exquisite, save spaces. 1 * LR44 battery operated and backup, no more worried about power outages.(Excluding battery) Easy to Carry Alarm clock is easy to carry, it is convenient to bring for traveling or going outside. Separate alarm switch, simple clock time and alarm set tuning knob, easy set and use.