Lamps are rated at 20,000 hours and produces 870 lumens. Polycarbonate outer tube is extremely tough. Soft end caps provide impact protection. Twin steel hook is virtually unbreakable. Comes with 18/2 gauge SJTOW oil resistant, watertight cord with special copper stranding to keep the cord flexible 15 watt light is 22" long x 2" diameter. This Saf-T-Lite 15 watt fluorescent light incorporates a closed chamber for user safety. All electrical components are found protected inside the light fixture. Cool operating, the lamps will not burn you. Spreads light over a large area.