Usage Tips:Bring a personal alarm system: ideal alarm for those who need quick help, such as the elderly, children, disabled, pregnant women or the sick, simply by pressing the button. alarm. Get quick and caring care without shouting and can also be used as a doorbell Emergency Alert: we can put it in the pocket or use the neck strap (included) to hang it around of the neck as a pendant. We can also use double-sided tape to fix it on the bedside or in the bathroom, so that our parents or children can report in time. Waterproof SOS Transmitter: the button of call is watertight. Can be used for fixed/linen headboard. And allow installation in the bathroom, suitable for the following places: home, nursing home, clinic, hospital, etc. Long wireless range: the operating range in open areas is 330 meters. The ringer unit has 38 ringtones to choose from. 5-level volume adjustable from 10dB to 110dB Packing list: 1 personal siren. We only sell personal alarms and do not sell other items in the picture. Due to factors such as manual measurement and differences in display, there may be slight differences between individual products and images.