Pedalease 750 mid drive

https://pedalease.co.uk/index.php?rt=product/product&product_id=13172445

I get no response from the company but im still curious what your thoughts would be ? Where would i find the spec ,? Where is the controller ? How would i find out more ? Any advice ? Thanks

Ok seems to be this http://driveconversionkit.com/2019/03/20/pedalease-48v-750w-bbs02-pedalease-mid-drive-electric-bike-kit-30mph-battery/