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 Bulb1 x Switch Line Package List 1 x E27 LED Light Bulb 1 x Switch Line