A powerful 5 watt (5000 mw) blue 445 nm handheld laser.

Endurance offers a class 4 powerful blue multimode 5 watt (5000 mw) 445 nm handheld laser DO not aim at anyone with this handheld laser.   The Endurance handheld laser can be used: Science and research (fluorescence). Tourism, like hiking. As a substitute for matches for lighting a fire. As a beacon in case of unforeseen circumstances. As an instrument for protection against wild animals (never aim at animal eyes) For optical experiments like refraction, reflection, etc.   Endurance handheld laser has a: switch button to turn on the laser pointer, special protective fuse, power regulation potentiometer, blinking mode, adjustable focusing system.   Keep in mind that the Endurance handheld laser is not a toy and you take all responsibility while using it. Endurance handheld laser is a class 4 laser and might not be legal to use in some countries.       Our handheld laser uses two Li-ion batteries, type 18650. They should be sold in stores related to electronics.