... Certificate: CE.FCC OBOHOS HS series Remote Control System comes in with a pre-wired receiver and a 4, 6, 8, 10 ... up to 100M 300 installations in single areaTechnical data of HS series remote control systemWorking distance up to 100M ... transmitter: 2×AA/AAA batteries Power source of receiver: AC36V,AC110V,AC120V,AC220V,AC380V,AC/DC12V,AC ... please feel free to contact us. Industrial Remote Control HS-8