Overview ================= the sku help of this extension you can improve our default opencart product option system. – with advanced help of live option price automatically calculates option price on product page so customer can easily see the final price when they choose product options main features. – with help of option model you add separately model number of each image option – with help of option sku you add separately sku for each option. Add option description for each option live calculate option price on product pages. – with help of option image you add product option image for each option & swap model as well