Swann SWO-KEF1PA One Key Fob (White) REMOTE CONTROL: Attach to your key & use to activate 4 modes - Home, Away, Sleep & Custom MOBILE ALERTS: Receive alerts & status updates on your Smartphone when paired with a SwannOne Smart Hub BATTERY INCLUDED: Uses a commonly available 3V lithium coin battery KNOW WHOS HOME: Allocate the Key Fob to a family member & be alerted on your Smartphone when they arrive home^ PANIC BUTTON: Notify someone if you need urgent help in your home with a personal safety feature