I found this, along with the Quick Gun Turbo in Nerdz Nook in Bridgwater, it cost me £10
Nerds Nook is a cool little place above a KFC consisting of three rooms stuffed to the brim with all kinds of retro items, you should go visit it soon
The Zapper from both sides, there is different text on both sides
From the top and down the barrel
The year is 1985 and you have Duck Hunt loaded in your NES which is displaying on your 14" portable CRT
Or at least I thought I had Duck Hunt, turns out I don't. This must be rectified ASAP
Standard NES plug
6 - Number too big, 377:1