GU5.3 Base 30,000 Hours Equal to 35W- 3 in 1 Adjustable Beam Spread MR16. 30,000 Hours. Full Beam Spread. Anti-Glare Guard. Shatter- Resistant. Durable. Patented. Burns 15% cooler than other LED bulbs. No mercury or UV. Instant ON. Big Energy Savings! Up to $95.70 3 Year warranty from date of purchase, complies with the Government Lighting Facts based on 3 hours per day, see light bulb packaging for further information.