Hyperikon LED PL G24q, 9W (18W CFL equivalent), 970 lumen, 5000K (Crystal White Glow), Ballast Compatible 120-277V, Horizontal Recessed, 120&deg; Beam Angle, Rotatable 270&deg;, UL listed - (Pack of 4) SAVE 50% INSTANTLY - Cut down your electricity bill by up to 50% by replacing 18W with 9W! 45,000 HOUR LIFETIME - With an astonishing life rating of 45,000 hours, or 21 years with 6 hrs/day of use, replacing your bulbs is now a thing of the past. SUPER BRIGHT - Bring your home or office the best lighting available with an incredible minimum of 105lm/watt. Illuminate the darker corners of your home! BALLAST COMPATIBLE - Ballast Compatible powered by Hyperikon allows for an easy and hassle-free installation. Experience the immediate upgrade of light quality with the simple plug-n-play for G24q / GX24q bases. Bypassing may be required in the case of ballast incompatibility. HASSLE-FREE WARRANTY - Hyperikon's five-year unlimited warranty means we've got you covered! Contact us for an easy and fast replacement.