Material: Metal + ABS Size: 22cm*17cm*4cm / 8.58"*6.63"*1.56" Battery: One No. 5 carbon battery (not included) Movement: High-quality scanning silent movement Note: Alkaline batteries are prohibited 1. Creative student robot alarm clock, cute and interesting appearance, stimulates children's interest in technology, and makes getting up no longer boring. 2. Built-in high-precision clock chip, accurate time without drift, supports customized alarm ringtones to meet the needs of different students. 3. Made of environmentally friendly materials, safe, smooth surfaces does not hurt the hand, suitable for students of all ages. 4. Multi-functional design, not only can be used as an alarm clock, but also supports date display and night lightings functions, one thing for multiple uses is more convenient. 5. Portable design, small size and light weight, easy to carry, is an ideal companion for student dormitories and desks. Package includes: 1pcs