The Shelly BLU Wall Switch 4 ZB is a versatile, battery-operated wall light switch that utilises both Bluetooth and Zigbee technology. Equipped with four buttons, it allows you to control lights, blinds, garage doors and other smart home functions. The simple installation and configuration make it a practical solution for modern living spaces. The switch comes with a long-life CR2032 battery that offers a lifespan of over five years. Each button can be programmed for up to four different actions, including single, double, triple and long press. The Shelly BLU Wall Switch 4 ZB can be paired directly with Shelly relays, dimmers and shutter controls without the need for an app. It can be connected to Shelly Smart Control for advanced automation options. Built-in Zigbee functionality enables integration with third-party Zigbee platforms, while Bluetooth technology ensures fast response time. Battery operated with a lifespan of over 5 years. Supports up to four actions per button. Direct local pairing with Shelly devices without an app. Integrated Zigbee functionality for third party platforms. Versatile control of lighting, blinds and scenes.