HELP CALLED: Ideal as an alarm Compatible with those who quickly need help, such as the elderly, children, disabled, pregnant or sick. Just press the call button Compatible with quick and thoughtful care without shouting. It can also be used as a doorbell. EMERGENCY ALARM: We can put it in our pocket or use the necklace (included) Compatible with hanging it around the neck as a pendant. We can also attach it to the bed or toilet with double-sided tape so that our Compatible with parents or children can send signals in time. WATERPROOF SOS TRANSMITTER: The call button is waterproof. Approved Compatible with solids in bed/toilet. Approved Compatible with food/soup spills. And have it installed in the toilet, suitable Compatible with the following places: home, nursing home, clinic, hospital, etc. LONG WIRELESS RANGE: The range is 150 meters in open area. The chime unit has 55 ringtones to choose from. 5 adjustable volume levels from 0db to 110db. EASY INSTALLATION: This alarm system Compatible with caregivers supports pairing between multiple receivers and transmitters. We can adjust the kit according to our needs.