... Infrared (PIR) Technology 2) sensor switch for House,Hotel, Stair 3) Working Voltage: AC180V-250V 50/60Hz MGA A10 Series A10-K20 sensor switch ... :High quality and PC,metal holder / Fire ResistanceColor:SilverTechnology:Passive Infrared (PIR)Voltage:AC180V-250V 50/60Hz CertificationCE, ISO9001Warranty12-year @100,000 ... available4) Provide the OEM & ODM service MGA A10 Series K20 PIR sensor switch