Product reviews for Nakada Air Fryer

I have recently bought a unit of Nakada Air Fryer from Astro Go Shop, but i look over the carton box and the fryper unit, very sad to say that i can't find the user manual for this Nakada Air Fryer. I would like to know that is it for this Nakada Air Fryer, your company didn't have the user manual for it? if don't provide user manual, i would like to know how you think that user going to operate this Nakada Air Fryer, with what temperature that if i want use this air Fryer to fried Chicken?