Hi-Power Rechargeable Headlight

LED: 1 x 3 Watt White LED
Light Output: 300 Lumens
Battery: Rechargeable Lithium-ion Polymer Battery (850Ah)
Runtime: 8 hrs (Constand) / 4 hrs (Boost) / 2 hrs (Super Bright)
/ 8 hrs (Pulsating) / 3.5 hrs (Daytime Flash) / 1-8 hrs (Adjustable Lighting)
Charging: DC5V / 0.5A, 2.5 hrs