Features: 1) Diameter: Φ2.0 , Φ2.2, Φ2.4, Φ2.6 2) Length x width: (40-100) x (40-120) mm 3) Color temperature: 6,400 - 15,000K 4) Working life: 20,000hr 5) Durable on/off: above 100,000 times 5) Power consumption: 1-5W 6) Low heat generation 8) Brightness adjustable Note: customer designs are welcome