4 relay wifi controller with rs485 port

{"cid":"91222448","title":"GateLink 4-Relay WiFi Controller 125V\/1A AC Load RS485 Port Independent Relay Output OTA Update for Industrial Gate & Security System","imgUrl":"https:\/\/img.chinax.com\/nimg\/6b\/05\/352c57965d74b85fcad780fce3ce-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"JUTAI","Model Number":"GL- WLAN","Minimum Order Quantity":"Support 1-10 pcs for sample","Delivery Time":"5-8 working dag","Certification":"CE","Place of Origin":"Shenzhen China","Payment Terms":"T\/T, Western Union, Wechat, Alipay, Paypal","Supply Ability":"5000 pcs per month","Packaging Details":"Carton","Power input":"DC 12-24V\/1A (5V customizable)","Relay Output":"2\/3-channel shared common terminal","Load":"DC 30V\/2A, AC 220V\/1A","Interfaces":"1\u00d7CAN, 1\u00d7RS485, 2\u00d7RS232","Communicate":"WIFI\/4G + Buletooth","Operating temperature":"-30~80\u00b0C"}}

{"cid":"91179162","title":"SR288 Solar Water Heating System Controller WIFI Control Timed Heat-Backup Heating","imgUrl":"https:\/\/img.chinax.com\/nimg\/88\/d1\/04799b9ce5efc1bdaa3d37c9de41-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"PASSION\/OEM","Model Number":"SR288","Minimum Order Quantity":"1 unit","Delivery Time":"3 working days","Certification":"CE","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T","Supply Ability":"2000units\/day","Packaging Details":"Cartons","Rated Voltage":"220V\/110V","Application":"Split Pressurized Solar Water Heater","Model":"SR288","Color":"Grey","Temperature Range":"0\uff5e99\u2103","Electromagnetic Valve":"DC 12V AC 220V","Type":"Intelligent Solar Water Heater Controller","Current supply":"60MA"}}