Compatible with Agility™ 3, LightSYS™ 2, ProSYS™ PLUS. Water-resistant bracelet, which has been designed to be worn as a wristwatch or as a pendant. The panic button can be used for personal emergency situations, to signal a panic alarm in case of difficulty when the victim is unable to reach another communication device. Ideal for the elderly or disabled - it provides peace of mind for users and their families.