The completely wireless system allows instant adoption in any nursing and care facilities without the muss and fuss of cabling or any other complicated and time-consuming installation procedures that would interfere with the normal day-to-day care services, eliminating the extra waiting time and cost spend on construction works. Featuring unique self-customization options, even caregivers with zero IT skills can easily edit system settings with few clicks on monitors, changing device ID for different residents and adjusting alarm display when used in different locations. No support from technical staff required as the intuitive usage of system are ultra-simple, sparing resources of any understaffed facilities. Centralized management capability of the system allows effortless monitoring of large quantity of residents from one single monitor, relieving alarm fatigue with clearly distinguishable personalized alarm, while overseeing the sizable facility with comprehensive coverage of various systems, keeping watch of residents round-the-clock with assistive care technologies instead of labor intensive monitoring.