Smart Actions – Control and set multiple lights, electronics, and other Tapo smart devices with the button. Customized Actions – Single tap, double tap, and rotating options enable you to trigger multiple actions, from just one button. One-Click Alarm – Family members can use the device to get help in times of need. Control From Multiple Locations – Control electrical fixtures from multiple locations with Tapo smart buttons. Long Battery Life – The battery will last more than one year. Tapo Hub Required – Tapo H100 (sold separately).