Material: Aluminum alloy
Light source : UV led #395~405nM
Mode: High-Low-Off
Battery: Rechargeable 18650 , 3.7V , 2600mAh x1pc (GS) & AAA battery case (but without AAA batteries x3pcs)
Adaptor: Europe plug AC adapter (CE), output: 4.2V ---1000 mAh