black and white checkerboard calibration target

{"cid":"91225766","title":"Black And White Checkerboard Calibration Target \/ Camera Calibration Chessboard","imgUrl":"https:\/\/img.chinax.com\/nimg\/c7\/7b\/71574c7ad4936f20d8e161297cb8-200x200-1.jpg","attrs":{"Brand Name":"DFOPTIX","Minimum Order Quantity":"1","Delivery Time":"5 Work Days","Certification":"ISO9001","Payment Terms":"T\/T","Specification":"The Precision Can Reach 1um, And The Size Can Be Customized Up To 1.68*3500mm According To Different Materials","Shipping Option":"FedEx and UPS","Place of Origin":"China","Packaging Details":"Carton boxes, plastic sponge boxes, customized wooden boxes, etc","Material":"Glass, Ceramic, Film, Aluminum Can Be Customized","Supply Ability":"The average monthly production capacity for calibration plates and film is 300,000 pieces"}}

{"cid":"91225074","title":"PVC Women Checkerboard Fruit Print Thongs With Hollow Floral Strap And Rhinestone Accents","imgUrl":"https:\/\/img.chinax.com\/nimg\/4d\/c0\/0463d61a60f9b05f57a9a79a815b-200x200-1.jpg","attrs":{"Model Number":"1125A1G","Minimum Order Quantity":"1800 pairs","Place of Origin":"Guangdong, China","Midsole Material":"PVC","Season":"Summer, Spring, Autumn","Style":"outdoor slippers","Outsole Material":"PVC","Upper Material":"PVC","Lining Material":"PVC","Toe Style":"Open Toe","Feature":"Eco-Friendly, Fashion Trend","Size":"37-42"}}