High grade alumium construction,visible light with adjustable focus.
Blue dot daylight as 30-100 meters,can be reach 1500 meters at night.It's no problem seeing it a couple hundred feet away.
Fine Workmanship: Precise screw threads, thick waterproof ring. Stainless Steel Screw: Sturdy fix,not loose.
For outdoor adventure,distant targets and instructions sent out distress signals to let your travel be more happy and safety.
Please don't keep open the lightfor a long time, or it may damage the light bulb.