Comfortable Lighting: 1.5 watt E14 LED bulb (equivalent to 15-20W), 80-100 lumens, warm white 3000K, the bulb's milky white casing makes the light softer and your eyes feel comfortable. Color rendering (CRI>82) provides vibrant and natural colors and clear visibility. Easy to Install: Standard E14 small Edison screw base. Refrigerator bulb size: Ø18 x 49 mm, the bulb is quite small, very suitable for some small bedroom lamps. NOTE: The refrigerator bulb CANNOT be used with a dimmer. This can cause humming, flickering and shorten the lifespan. Wide Application: Suitable for refrigerators, cooker hoods, night lights, table lamps, bedrooms, children's rooms, hallways, etc. NOTE: Not suitable for microwave and oven. The bulb's operating temperature range: -20°C ~ 45°C. Energy Saving & Long Lifespan: 1.5W LED bulbs (equivalent to 15-20W halogen bulb), saving more than 85% energy compared to traditional halogen bulbs. With normal use, the lifespan can reach 20,000 hours.