Extremely long life. lowers maintenance costs by reducing re-lamp frequency. Instant start, no flashing and shockproof, no RF interference. Super bright and low heat, light up your whole room, save up more than 90% power consumption. High brightness, green technology, no UV radiation, safe and environment friendly. Applications: Specially used for commercial indoor and outdoor lighting. (Note: It cannot be used in the sealed light cover, or it will be burned.)