dc 4 6v infrared interactive whiteboard

{"cid":"91199486","title":"120in Online Interactive Whiteboard 32767x32767 Multi Touch Screen Monitor education use","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/b5\/8918db50c23a1e7e43fd39fbc811-200x200-1.jpg","attrs":{"Price":"150-600USD","Brand Name":"iBoard or OEM","Model Number":"IB-T","Minimum Order Quantity":"10","Delivery Time":"30 days","Certification":"CCC, CE, FCC, RoHS, Reach, OHSAS, ISO9001, ISO14001","Place of Origin":"Shenzhen, CHINA","Supply Ability":"10000 units per month","Packaging Details":"Carton Package","whiteboard type":"Interactive whtieboard, Electronic Whiteboard, Smart Whiteboard","OS support":"Windows, Linux, Android, Mac, Chrome","Display ratio":"4:3","screen size":"82-120inch","Touch technology":"Infrared","Touch points":"2-32points","Dry erase":"support","Fold":"No","color":"black, gray, white, etc","warranty":"3years","Payment Terms":"T\/T, L\/C","Aspect Radio":"16:10, 16:9...","Interface":"USB, VGA, RS232, HDMI","Screen Size":"65\",75\",86\", 98\"","Multi-Touch":"Up to 40 points","Hotkeys":"Two sides hotkeys","Shipping Way":"Sea Shipping Air Freight Truck Freight","Touch Points":"20 points","Warranty":"1 year","Power Supply":"AC 100-240V, 50\/60Hz","Operation System":"Andriod\/Windows\/Linux\/Mac.etc.","Accuracy":"2mm","Mobile Stand":"Optional","Colors":"Black Or OEM"}}

{"cid":"91218098","title":"AC\/DC Powered Smart Interactive Whiteboard 3840*2160 High Pressure Writing","imgUrl":"https:\/\/img.chinax.com\/nimg\/ca\/f0\/cdb6196d95d18d059469b345929a-200x200-1.jpg","attrs":{"Brand Name":"Astouch","Model Number":"A75-IWB06","Place of Origin":"China","Screen Size":"65-110 Inches","Writing Pressure":"High","Writing Speed":"High","Connectivity":"USB\/Wi-Fi\/Bluetooth","Product Name":"Smart Interactive Whiteboard","Response Time":"Low","Screen Resolution":"3840*2160","Writing Type":"Handwriting\/Drawing"}}