1. Product Features - Power: 500 watts - Lumens: 7750 lumens - Voltage: 220 volts, 230 volts, 240 volts - Length: 118 millimeters - No harmful radiation and ultraviolet rays 2. Energy - saving and High Efficiency - Service life: 2000 hours. If used 3 hours a day, it can be used for about 1.8 years. - Environmental certification: Has passed CE and RoHS certifications. - Light characteristics: Lights up immediately and can be fully dimmed. 3. Wide Lighting Applications The R7S 118 - millimeter 500 - watt halogen bulb is used in floodlights, work lights, security lights, floor lamps, chandeliers, landscape lights, etc. 4. Service We are committed to providing customers with products and after - sales services. If you have any questions before purchasing or during use, please feel free to contact us. We will try to find a suitable solution for you within 24 hours. 5. Precautions Avoid touching the bulb directly with your hands, as the grease on your hands may burn out the bulb.