Full Set: This water powered earwax remover comes with a 1200mAh battery and usually works for about 3 hours. Includes a wash set, a water basin and 6 interchangeable nozzles Temperature Display: The earwax remover can monitor the water temperature to ensure that the water temperature is suitable for rinsing before use. Too cold/too hot water can damage your ears and cause dizziness and migraines. Please add warm water that corresponds to your body temperature (37C 2C) (95F to 102F). 4 Cleaning Modes: The electric ear cleaner provides 4 cleaning modes, which range from gentle cleaning to complete removal of earwax, meeting the needs of different groups of people. For better cleaning results, two nozzle options are available (diffusion nozzle and concentrated nozzle). ONE HAND OPERATION: Custom fit earmuffs and automatic drainage design prevent dirty water from wetting clothes or neck when washing ears. Cleaning your ears is as easy as making a phone call. IPX6 waterproof for easy use in the shower. EFFICIENT & SAFE: Earwax removal process injects warm water to safely remove earwax, dirt and debris without damaging the ear skin. The soft silicone ear plugs prevent penetration into the ear canal and the flared tips ensure that you do not insert the ear cup too deep, protecting your eardrum.