Sphere I is a compact yet powerful bulb, ideal for retrofitting table and floor lamps or displayed in multiples in a chandelier or small ceiling light. Defined by its Dim to Warm characteristics, you’ll be able to dim the bulb to its lowest setting while maintaining a warm, amber glow. Tala donates a percentage of sales to reforestation programs worldwide.  4W Materials: Soda-lime Glass and Brass Cap Finish: Matte White Dimensions: 50 x 84 mm Beam angle: 360° Base: E27 Weight: 23g Working temperature: -5°C to 40°C Warm up time: Instant Warranty: 3 years Input Voltage: 220-240V Lifetime (TM-21) (hours): 15,000 LED bulbs are energy efficient and environmentally friendly.