we produce ozone generator and industrial communication models mini ozone air sterilizer: (1) Power: AC220V,<5W; Humidity: <85%RH (2) For household, hospital, factory, company, etc. (3) Kill bacteria and viruses in air (4) Close windows and doors (5) Open this generator (6) 20 square meter over 4 hours (7) Size: 130*60*40  mm sell communication modules relay output module 1. type: MOSA-1060 2. 10 channels relay output modules 3. load: 3A@240VAC per channel 4. serial: RS-485 5. baud rate: 2400bps-115200bps 6. power: +10V - +30VDC,2W digital input module 1. type: MOSA-1052 2. 10 channels isolated digital input module 3. logic level 1: +3.5V - +30VDC;logic level 0: +1V max 4. serial: RS-485 5. baud rate: 2400bps-115200bps 6. power: +10V - +30VDC,1W