Wi-Fi Smart Hub & 328ft Range: HUB connects to 2.4G Wi-Fi (not 5G) for global APP access. 3 Caregiver call buttons/wearable wristband and the HUB use 433MHz technology for a 328ft through walls-Ideal for homes, hospitals, and nursing facilities. Instant Identify Who & Where Needs Help: any button HUB flashes assigned number (1-6) in red LEDs + sounds alarm , instant APP Alerts shows name/location (e.g., Grandma - Bathroom). Know who/where needs help in 3 seconds-no more guessing. Free APP Control & Alerts Anywhere: Customize 18 tones/4 volumes, name devices (e.g., "Bedroom button"), share APP alerts with family, view alert history. Shower-to-Kitchen Waterproof : IP65-rated alert buttons & wristband survive direct water -install in showers, bathtubs, or sinks. Resist spills and 90% humidity. Helps prevent 80% of wet-zone falls (CDC injury data). Pre-paired & Versatile: This medical alert systems for seniors come ready to use. Adjustable, hypoallergenic wristband for all-day wear. 2 regular buttons can be neck-worn, wall-mount, or table placement. Perfect for bedroom, clinics & dementia care. Color: White Material: plastic Package Contents: 1 x digital display 1 x wristband 2 x call buttons Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.