【Versatile Smart Control】This Zigbee 3.0 smart knob switch offers intuitive control for various smart home scenarios, allowing for seamless adjustment of lighting and other connected devices. 【Compact and Stylish Design】With dimensions of 44.8*44.8*18.8mm, this switch panel is sleek and unobtrusive, easily fitting into any modern home decor. 【Wireless Convenience】Featuring a wireless transmission range of ≥30m in open areas, this switch can be placed anywhere within your smart home ecosystem for maximum flexibility. 【Long-lasting Battery】Powered by a CR2032 battery, the switch operates on DC 3V with an ultra-low standby current of ≤5uA, ensuring extended use without frequent battery changes. 【Wide Operating Temperature】Designed to function in temperatures ranging from -5℃ to 45℃ (23℉ to 113℉), this switch is suitable for various indoor environments. Specifications: Product Name: Smart Knob Scene Switch Dimensions: 44.8*44.8*18.8mm Battery: CR2032 Operating Voltage: DC 3V Working Current: Standby ≤5uA / Maximum ≤10mA Wireless Protocol: Zigbee 3.0 Wireless Range: ≥30m (open area) Operating Environment: -5℃ to 45℃ (23℉ to 113℉), ≤95% humidity (non-condensing)