Usage Tips:FLAME RETARDANT PC CASE Use a flame retardant PC case, which is sturdy, durable and corrosion resistant. The internal circuit uses a high-strength double-layer fiberglass board with stable performance. Direct speech control without networking free hands, let the light understand you.Will listen to the voice of the lamp head , change color requires three color bulbs to change color oh Labor Saving & Convenient When you are lying in bed and ready to go to sleep, but the light is not off, you can turn off the light with the speech control while you are lying in bed. Really convenient and practical E27 socket adapter! EASY INSTALLATION Suitable for E27 screw bulbs, easy to install and use, easy installation and no tools required to install, screw into existing socket, suitable for home and indoor use. 5 meters of high sensitivity and recognition of environmental noise 60db below, 5 meters of normal sound and speech speed can be, if in a quiet environment, the lower is OK, farther distance, depending on the size of the sound No need to connect to the Internet, no application required, easy to use Direct voice control, no need to cooperate with other smart speakers Product name: Offline voice lamp head Input voltage: AC175-265V Output voltage: AC175-265V Output power: load 300W Standby power: about 0.8W Lamp head specification: E27 screw mouth Control method: Voice control (only supports English language recognition control, does not support other languages) Colour:White Material:PC Size:52x52x90mm Package Contents: 1 x E27 LED Lamp Holder Base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.