Energy Saving High Output - 400W is equivalent to 300W, voltage 220-240V, 10000 lumens. 360 Beam Angle. 2800K Warm White, J118.Size: 0.39 inch/ 1 cm in diameter, 4.64 inch/ 11.8 cm in length. High-Quality Materials - The lamp tube is made of quartz stone, which is sturdy and explosion-proof The filament is a high-quality iodine tungsten filament, which is heat-resistant and energy-saving; The lamp tube has a stable structure and reduces vibration. Easy Installation - Standard double ended R7s base, just need to screw bulbs into the R7s sockets within seconds, no any tools needed CE and RoHS Approved.Average 2,000 hours lifespan.Mercury-free. Instant On - No waiting time to warm up to full brightness when powered on!The preheating time is less than 0.5 seconds.No-flickering light and zero harsh glares prevents eye fatigue and provides a comfortable atmosphere. Wide Application - r7s bulb 118mm led dimmable light bulb is applied as floodlights for home, shop, office, work and security lights, showroom, stage and studio lights, floor lamps, landscape lights and so on.