The waterproof screw lamp holder is for maintaining optimal lighting conditions in various settings. Its sturdy construction and -resistant make it ideal for use in pig pens, ensuring a warm and well-lit environment. The lamp holder's versatile design allows for easy integration into existing lighting systems. Features -Voltage: AC220 -Color:Silver -Material:Ceramic, brass, aluminum alloy -Size:9.30X5.30X5.30cm/3.65X2.08X2.08in -Durable construction: made with ceramic, brass, and aluminum alloy, offering durable and safe performance -Moisture protection: equipped with a waterproof feature, allowing safe usage in wet environments -Convenient design: the small three way design supports multiple lamp head connections, enhancing practicality -Multi scene application: ideal for both domestic and settings, fulfilling various needs -Lamp compatibility: can be used with lamps to maintain warmth, suitable for incubation and livestock care Package list: 1 x E27 Light Socket