LED Headlamp for Night Vision

Features: Red/Green/Blue Filter for Night Activities Super bright CREE Q5 LED with 3 Brightness choices 18650 Li- Battery (not included) All Aluminum Construction with Water Resistance Adjustable and ultralight head strap   Product Description: Are you looking for a headlamp intended to preserve night vision under dark skies.  Here it is your best choice. The CREE Q5 provides extremely small size but super bright. The headlamp is powerful enough for general expedition.  All the body is constructed with aluminum even if in the battery cover.  The compact and comfortable head trap made the head lamp tiny enough to be carried in jacket pocket. There are 3 color filters included.  Just one second, the LED color of the headlamp was changed as Red, Green or Blue.  The design is for scientific research, natural expedition, and astronomical observing in the darkness.  For the safety of shipping, the 18650 battery is not included.   Technical Details: Item Weight:   180 grams Origin:     China