Cat Eye Compact Safety Light (RRP £9.99 save £1.00)

Cate Eye's light on an elastic band
Magnetic touch switch on the end of the cord has to be swiped over the light to activate/deactivate.
can be fitted to almost anything including Bikes, Rucksacks, Clothing, etc.

wateproof to 50mtrs

Batteries included

Fits round objects from 2.7 to 160mm

Has 3 modes, flashing/Constant/Alternating/off

Burn times of 100 hrs flashing and 50 hrs constant and 150hrs alternating.