Cheap Olight 90 Lumen i3E Keyring Torch - Smallest on the Market Only £9.95

You can get a 90 lumen i3E keyring torch for £9.95 at Olight. Its the smallest available on the market at 2.38 inches long and weighing just 19.4 grams including the battery. I thought it might make a good gift for Father's Day?

The i3E is an extremely compact torch with maximum 90-lumen output, all running off of a single AAA battery. The i3E torch features a high-performance Philips LUXEON TX LED and a PMMA TIR lens that focuses the light to reach a distance of 44 meters. The versatile i3E fits easily into a pocket or bag and can be connected to a keychain without adding significant bulk to your keys. It is the perfect choice for a small, bright, and affordable light to take with you anywhere.

They also have these 2 if you wanted something a bit bigger

I3T EOS 180 Lumens - £19.95

● Powered by a single AAA battery producing an output of 180 lumens

● Double helix body knurling for unique style and solid grip

● Super easy to carry: Barely know it's there with its lightweight and slender design

● The I3T is equipped with a TIR optic lens producing a soft and balanced beam for comfort.

i5T EOS RSV 300 Lumens - £29.95

● Max 300-lumen output and 60-meter beam distance

● Anti-slip: tail switch with pearled silicone surface

● Quick Mode Switch: all in one switch

● Hands-free : comes with a dual direction clip