1. Material：PC+ABS
2. Product size：200*41*111mm；net weight：303g
3. Internal space：100*21*177mm
4. UVC-LED：240mW*4；Sterilization times：1 minute
5. Ultraviolet range：275-280nm
6. Input：Micro；charging time：1h
7. Biult-in lithium battery: 350mAh；can be used 50 times once full charged; Suitable for mask, mobile phone, watch, etc.