The 5x1W LED lamp is designed as direct one-for-one replacements of traditionally inefficient incandescent, fluorescent and halogen bulbs. With 5pcs High powered LED's, 350 Lumen output for Cool White (300 Lumens for Warm White) and average life span of 50,000 hrs, this lamp is a great choice for any indoor Light Fixture or in enclosed outdoor fixtures. And an excellent energy saver for all-night lighting of entryways, hallways or stairs. Warm White, Cool White available. Equivalent to a Traditional 40 Watt bulb. LED Light Bulbs parameters: Input Voltage: 110-240VAC, 50-60 Hz Base: Standard Medium Screw E27 Light Source: 5x1W high power LED Total Lamp Power Consumption: 6.5 W Estimated Incandescent equivalent: 40 W Surface Temperature: <65°C Work Temperature: -20°C~50°C Work Humidity: 10%~90% RH Light Quality CRI: Ra>75 Rated Life: 50,000 hours Available Light Color: Daylight White (5000~7000K),,warm white:2700-3200K Luminous Flux: Daylight 330 lm, Warm White 280 lm Dimensions: Ø 60 mm, length 118 mm