ZENITH 1X22X33 Airsoft Red Dot Gun Sight Scope Reflex Sight With 20mm Rail Attachment (Zenith With Lens Protector)

Amazing bit of kit very happy with purchase for the price it's a bargain

So as per the title, beware the instructions. The battery insertion detail is WRONG, stating '+' up, which should be down as per the picture in the listing. This unfortunately caused me to send the first one back as 'not working', only later did I second guess myself and checked the listing/picture, and on receipt of the second one triple checked the instructions. Ignore them, POSITIVE DOWN!Next up is you will find listing for this exact 'hardware' from other vendors detailing RED & GREEN reticules (yes it's Chinese white label at it's core), and as above the instructions also detail this (red one side green the other)....this 'version' is RED ONLY, and whilst the listing picture states 'illumination both sides' what it means is up one side down the other.All that said, it is a good well made sight with good tolerances and appears robust (from one use), and probably worth the extra £10-£15 over the circa £20 plastic equivalent in my mind this should last longer. I wouldn't have described the parallax correction as 'regardless of the position of your eye behind the sight', but it's still far more tolerant than a 'scope' and the window appears to be bigger than many sights of this design and with a correctly set up stock and hold, I had no issues whatsoever with speedy acquisition on my right shoulder, but eye dominance prevented easy use on the left and whilst that's a 'me issue', it's a limitation of any sight to be aware of if you can play off both sides (PB & AS).Overall it's a nice solid design that looks good mounted, easy to adjust with plenty of movement range, at a good price.