Our View - Black Diamond Cosmo 350-R Headlamp:The new Black Diamond Cosmo 350-R Headlamp is a simple yet versatile multi-use light ideal for use when camping, around the house, and outdoor adventures that require a simple light with both an all-purpose beam as well as night vision. Added simplicity of a built-in rechargeable battery. Specifications - Black Diamond Cosmo 300-R Headlamp: Rechargeable: Powered with integrated 1500 mAh Li-ion battery with micro-USB charge port 350 Lumen max output Recycled elastic headband featuring comfortable next to skin Repreve fiber construction Settings include dimming, strobe, red LED night-vision and lock mode Multifaceted optical efficiency lens technology IP67: Waterproof-Tested to operate at least 1.0 meters underwater for 30 minutes. Integrated battery meter display shows % of power remaining Digital lock mode feature safeguards against accidental use when stored in a pack or pocket. Red night vision has dimming and strobe modes and activates without cycling through the white mode Weight 75 g Max Distance (High) 64 m, (Medium) 45 m, (Low) 10 m Black Diamond Cosmo 350-R Headlamp