Specification: Manufacture Country:China Load power :40W Product specification: AC220V/50HZ Material: PP polypropylene Mounting hole spacing: 52 mm Product size: Diameter 71mm, height 40mm Voice control decibel: 45DB Sensing range: 360° 4-7m Wiring mode: Incandescent lamp, energy-saving lamp, LED lamp Color: White ❀Packages: 1 x E27 lamp holder Feature: Working principle of sound and light controlled lamp holder The sound and light control delay lamp holder is controlled by a combination of sound and light. During the day or when the light is strong, the light control locks the circuit, achieving a state of no action even when there is sound. However, at night or when the light is dim, the light control circuit is unlocked, and the sound control effect is turned on, achieving the power on and off of the sound control lamp holder. Advantages: 1. Simple installation and convenient wiring, without distinguishing between zero and live wires. 2. The national standard E27 screw socket has a wide range of applications. 3. Energy saving and long service life. 4. Energy saving renovation of property community engineering. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.