grab the Crown headlamp from its charger and go to work. Commercial Grade! CL-600 LED Headlight. •Huge diameter lens •Internal lithium battery •Battery charger included •Weighs only 3.7oz - 105 grams (excluding battery) •8 hours continuous use on high beam •Switchable low and high beam (low 70% of high) •Easily adjusted elastic head band •Infinitely adjustable beam angle within the 80% range •Water resistant •Impact resistant 3 Year warranty Crown U.S.A. LLC. warrants the 3 Watt Headlight against defects due to workmanship or materials for 3 years. This warranty does not cover the battery, elastic headband or damage to the headlight caused by abuse, improper maintenance or disassembly by an unauthorized party. The Crown Light Company requires proof of purchase. Therefore we strongly recommend that you retain your original proof of purchase.