With their Exclusive Patented Protection 5-Second Shut-Off Feature, and up to 600 Puffs, you are sure to have an enjoyable experience using Imperial e-Hookahs. The benefit of this Exclusive 5 Second shut-off feature is that it eliminates the risk of the piece burning your skin, or burning a hole in the user's shirt, pants or purse, if the power button is accidentally pushed for longer than five seconds, it will Automatically shut off, which can be a problem among other e-cig brands. This, along with the sleek and stylish look of Imperial Hookah disposable Hookah has made them a "must-have" item!