The easy-to-use squeeze button and new water resistant case makes Photons Micro-Light the perfect companion to any trip. With easy battery replacement makes changing the batteries even easier. Battery changes can be completed in less than 30 seconds. Available in 4 Different Beam Colors. Choose from Red, Blue, or White. Gold plated leads in the Blue, & White LED leads improves the electrical contact with the battery and also further protects the Photon Micro Light from corrosion. Up to 120 hour battery life. The replaceable CR2032 Lithium battery will power the Red Photons for 120 hours of continuous use. The Blue & White Photons will run for 12-14 hours with the included CR2016 Lithium batteries. Compare to about 5 hours from a typical C-cell flashlight. Incredibly tough Polyurethane construction. The polyurethane case of the Photon Micro Light is practically indestructible and is very abrasion resistant.