Type: LED spot light (Non-dimmable) Shape: MR16 LED power: 3W Power factor: 0.5-0.62 Volt: 12V AC&DC 110/220V AC MTBF*: ≥20,000 hours LED Qty: 3pcs Initial luminous flux:150-240lm View angle: 30°/ 45° LED drive mode: Constant current Color temperature: 2700--7000K Base: GU5.3 E27/GU10/B22 Radiator material: Die casting magnesium alloy Base material: Copper plated nickel Veil material: Acrylic Special explanation:Under same conditions, the heat conduction speed of heat sinks made of Die Casting Magnesium alloy is 1.3 times than the ones made of Die Casting Aluminum Alloy, which will low down light decay efficiently and make the LED life time longer. MTBF:Mean Time Between Failure