USB rechargeable: *Charging time: 3.5 hours, (Micro-USB cable included).
	
Lens functions as push-button.
	
3 modes: (Rapid flashing: approx 6.5 hrs, Slow flashing: approx 6.5 hrs, Constant: approx 3 hrs).
	
Robust aluminum body.
	
Versatile rubber strap mount accommodates 22 - 32mm diameters.