["The Shelly BLU RC Button 4 is a smart Bluetooth remote control with four buttons that allows you to easily control your smart devices. There are also versatile placement options, including integrated magnets and a magnetic holder: place it in different rooms, attach it to a metal surface or simply keep it in your pocket. With up to 16 different actions, you can control your lighting, appliances, garage doors and much more with simple click combinations. ??Easy control - anywhere in your home This smart RC button can control a variety of smart home devices and scenarios and simplifies your daily processes. Store it in your pocket, attach it to a metal surface like your refrigerator, attach it to the wall with the included 3M patch, or simply attach it to your existing wall switch. The Shelly BLU RC Button 4 adapts to your needs and lets you control lights, garage doors, appliances, blinds or custom scenes with 16 simple click combinations. Faster response time and easy integration. Perform up to 16 preset actions or scenes with simple click combinations. Experience uninterrupted performance with up to two years of battery life", "Uses BLE technology (Bluetooth controlled)", "Supports multiple clicks - single, double, triple and long press (16 actions in total)", "2 year battery life", "Encryption (high security level)", "Multiple placement options (3M patch included)", "Beacon mode: When activated, the device sends a signal every eight seconds", "Full compatibility with Home Assistant and all other devices supported by the BTHome protocol (no additional wiring or configuration required)"]