it is rechargeable gently dries and curls lashes [SEP] i love that this handy dandy eyelash dryer is rechargeable so when i received this i was sceptical so i put my mascara on put this at the base of my lash and turned it on while pushing my eyelash up gently warm air gently dried them curled up it shut off when finished no hard squeeze with an eyelash curler needed this tool gently does the job i love this tool easy to hold and use