All Sykes-Pickavant Advanced Lighting Systems include a 2 year warranty!Patent pending Small and sturdy; designed for professional users Aviation aluminum-alloy housing Ultra light weight, compact design Anti-corrosion and good heat dissipation  High Efficiency COB LED Front COB LED provides 150/75lm brightness  Laser design FDA certificated top laser for increased applications  Multi-functional Design Metal clip at back for easy carrying Lights will flash as a low power warning prior to the battery running out  Brightness Memory Function Setting is recorded after 5 seconds of activation Recorded setting is recalled next time the device is activated  Technical Specifications High efficiency COB LED Front COB LED: 75/150 lumen Top laser: <1mW, 650 nm wavelength 2h operating time 2-3h charging time 3.7V 750mAh Li-poly battery 50g 16.5 x 18.8 x 164m