LED SpotLights, skype:edward.led Light source: Cree, 1. 5W, 2W/unit luminous Flux: 1200lm Base: G53 Power consumption: 12W Material : aluminum copper alloy Color temperature:2700k, 3000-3500k, 5650-7000k Color rendering index (CRI): Ra>85 Power factor: >95% Power efficiency: >92% Beam angle (with Lens): 8/25/40/60 Operating temperature: -20 to 50 Storage temperature: -40 to 60 Operating humidity: 10 to 90% Operating life: >50, 000 hours, min. 70% Lumen Maintenance after 50, 000hrs Input voltage: 12V AC Frequency range: 50 to 60Hz, (3) Junction temperature: