The McNett Nitestik glows for upto 10 years and glows up to 12 hours in darkness.Designed for marking equipment and personal property and useful for anything you may wish to locate in the dark.This neat little keyring is set to be the next big craze! As well as looking funky and stylish, this 'X'ecutive toy is really practical too - as absolutely everyone has a use for Nitestik.Whatever you use them for, they will glow faithfully for up to 10 years and brighten up whatever you attach them to.The list of uses for this fantastic product is endless, here are just a few-:Ideal keyring - never lose your keys in the dark again - great for finding keyholes in the pitch black after a night out!Pet collar tag - for the nocturnal feline/canine wandererCamping gear - attach to tents, kit, mallets, corner pegs, torches, you name it and it will glowFishing gear tag lightEmergency equipmentHandbag light - ladies find your keys instantly, no more searching required!Fashion accessoryWhat else can you possibly buy that is this useful, this cheap and will last this long?We challenge anyone not to find a use for one!----------------------------------------------------------------Photoluminescence Explained:Luminescence occurs if a material exposed to a source of excitation absorbs energy, and them emits that energy as a visible light. The energy can be derived from a number of sources including a light bulb, headlight, fluorescent light (any artificial light) and under sunlight. The stronger the light source, the quicker the charging process. Photoluminescence also occurs by electromagnetic excitation and the material also emits while the energy source is present. But with photoluminescence the relaxation of the electgron back to the ground state and subsequent emission of
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