NINGBO ALL-RF ELECTRONIC CO.,LTD.is specializing in manufacturing and processing wireless remote products. Include :1) Wireless remote switch2) Wireless remote dimmer3) Wireless remote lampSocket Style: Germany / France / UK / Italy/ U.S.AFrequency: 433.92 MHz / 310MHzRemote Range: >20mCertification: CE / R&TTE / UL /FCC