The iH9R versatility means it can stand up to multiple conditions thrown at it in an industrial environment. Power with the included rechargeable battery or AA alkaline batteries. Two power modes (Constant Light and Energy Saving), a detachable, variable lamp head and different mounting options for helmets for maximum flexibility. The additional Multicolour LED (red, green and blue) round off an impressive array of features. Smart light technology - 5 light functions (boost, high, med, low, blink) Advanced focus system allowing easy changes between broad floodlight and focused long distance beam Stepless movement - 50 degree angle range of movement Ledlenser lights are covered by a 5-year standard warranty, which can be extended to 7 years by registering the product.