As described in Amazon https://www.amazon.co.uk/dp/B0BDLQ85TC?ref=ppx_yo2ov_dt_b_fed_asin_title
Marks are Bluetak to attach to window, would wipe off
Didn't work for me, I'm sorrounded by high buildings and don't have line of sight to the transmitter. Might work for you
Amazq indoor TV aerial (Southsea PO5)
This offer has been gifted to someone and is no longer available.