Premiertek 12W T9 LED Tube: * Save over 50 percent on electricity * Last 7x longer than fluorescent tube * Starter, transformer and ballast free * 110V/220V can be applied directly without ballast * Compatible with T8 T10 T12 bi-pin applications * No toxic lead, mercury or phosphor * Instant on * No noise * No flicker or stroboscopic effect * Aluminum alloy body for better heat dissipation and fade resistance * Length: 2"