5.5 Watt PLS Hybrid Ballast Dependent or 120 Volt-277 Volt Bi-Pin GX23 Base 5000K Day Light LED Lamp - Horizontal Operation - Plastic - Dual Mode Type A+B - 550 Lumens - 50,000 Hours - 82 CRI - Hybrid: works with or without ballast - Replacement for Conventional Fluorescent Lamps (Pin-Based CFLs) - Instant on, no flicker or hum - Bypass ballast to eliminate maintenance costs or use existing ballast - UL Listed - FCC - RoHS Compliant - CEC Status: Lawful for sale in California - Equivalent: 13W Fluorescent PLS