Whiskers Are you blind or just lazy? First section in the section called Specifications says it all. Input Voltage: AC 100~240V, 50\60Hz Output Voltage: DC 3~24V Adjustable, Max 2A 48W Amperage: 2 Amps Wattage: 48 watts

Whiskers Yellow Warm White or Cool White the brighter bluish, select whichever you want. I can recommend a good optician.

Whiskers Are you to lazy to read? it says 4 to 8 hours in the advert. Just scroll down the page to see it.

Whiskers Look again, in the photographs it says 19mm (3\4

Whiskers It does not list your Tyre size 235\65\ 16 but it does list a 235\60\R16 which is a XF11 which should be close enough.

Whiskers Right Click the Click here. Copy the link and open it in an incognito window. It will work then.

Whiskers There are none so blind as them that do not want to see! There is a diagram showing the diameter of the Ring of 158 mm with a lens diameter of 105 mm. This leaves 55mm for the ring so the ring is 25.5mm wide.

Whiskers I would say UNC and UNF as those are the most common. All the others are either antique as BSW British Standard Whitworth is or are pipe threads and BA British Association screw threads which are a rarity these days. Have a read on Wikipedia about the BSW as that thread actually facilitated the world's first mass production by multiple manufacturers simultaneously. Ninety in number sixty horsepower engines for the Royal Navy in 90 days. This was in 1855.