this one is for ceiling. if you really think this worth this much money then get the ceiling. otherwise i strongly advise you should get wall mounted.
Ultimate Body Press Ceiling Mounted Pull Up Bar https://www.amazon.com/dp/B00OXUWOB6/ref=cm_sw_r_cp_apip_vIDCuQ7L3b37V
I am very happy with this ceiling mounted bar from amazon:
Ultimate Body Press Ceiling Mounted Pull Up Bar https://www.amazon.com/dp/B00OXUWOB6/ref=cm_sw_r_cp_api_Psmayb8ABE15V