Convenient to carry yet instantly accessible for routine or emergency situations. Made from virtually indestructible, lightweight Nitrolon. Powered by two 123A Lithium batteries for brilliant 65 lumens for one hour constant use. Use the P61 lamp assembly (sold separately) to increase light output to 120 lumens for 20 minutes. Available in Black, Yellow and Olive Drab Green. Comes with P60 65 lumen lamp. Batteries included.