Features Gentle Lighting: The Warm White Light Is Very Bright, Gentle, And Not Glaring, Equipped with A Detachable Universal E27 Spiral Bulb Socket. Low Consumption And Stability: Using Premium Abs Materials, The Led Bulb Has Low Consumption, High Brightness, And Stable Performance. Work with Power Supply: The E27 bulb can rely on solar energy controllers for lighting, and the power supply is not included, very safe. Manual Button Switch: The Bulb Is Designed with A Manual Button Switches, So There Is No Need for Frequent Port Plugging. With Dc Line: Led 5w White Light Will Offer Your Work Bright Lighting. Voltage Is 12v, Equipped with A 3 Meter Long Dc Cable That Has 5.5x2.1mm Dc Male Connector. Specification: Item Type: E27 LED Light Bulb Voltage: DC 12V Lamp Power: 5W Bulb Interface: Detachable universal E27 threaded port. DC Line: Approx. 3 meter / 9.84ft, with 5.5 x 2.1mm / 0.22 x 0.08in DC male connector. Switch: Manual Button Switch Package List: 1 x E27 LED Light Bulb 1 x Switch Line Package List 1 x E27 LED Light Bulb 1 x Switch Line