Description: Featuring standard E27 screw design, this lamp holder is easy to install, suitable for all kinds of E27 screw bulb such as energy-saving lamp, incandescent lamp, LED lamp and convenient to replace bulb. With voice control design, this lamp holder help turn your existing lamp into smart lamp, allows you to use simple voice commands to control the light for providing your life with much more convenience. Made of high quality ABS, it is lightweight, wear-resistant and durable to use. The length of this diameter is 6.1cm, the height is 9.2cm. This product is perfectly suitable for home, household, dorm, bedroom, living room, etc. Suitable for all kinds of E27 screw lamp holder Item Name: Lamp Head Material: ABS Voice Control Distance: Within 5 Meters Features: Voice Control, Easy Installation, Universal Size Details: Diameter: 6.1cm/2.4" (Approx.) Height: 9.2cm/3.62" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Lamp Head