pm2 5 monitoring deep uv sterilizer

{"cid":"91225759","title":"Multi-Channel Relay Output HVAC main control PCB boards with Dual RS485 Communication Ports for AC\/EC Fresh Air Systems","imgUrl":"https:\/\/img.chinax.com\/nimg\/0e\/ff\/ad20b81b4534e6ebae624c0e02c5-200x200-1.jpg","attrs":{"Price":"US$25\/pcs","Brand Name":"OEM","Minimum Order Quantity":"500","Delivery Time":"2-3 weeks","Place of Origin":"China","Motor Compatibility":"AC\/EC systems","Payment Terms":"T\/T","Fan Signal Output":"0-10V","Communication Ports":"Dual RS485","Supply Ability":"100000pcs","Protection Circuit":"High\/low pressure","Relay Outputs":"Multi-channel","Sensor Ports":"NTC, Temperature & Humidity, PM2.5, CO\u2082"}}