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Shelly 1 Gen4 is a smart 16A relay that supports WiFi, Bluetooth, and Zigbee connections. It is suitable for controlling lights, garage doors, and irrigation systems and operates locally without an internet connection.

• Works locally without an internet connection
• Multiprotocol WiFi, BT, and Zigbee support
• Compatible with over 200 smart home systems
• Operates at multiple voltage levels from 12 to 240 V
• One programmable switch input adds flexibility