💡 Power Up Your Home with Smart Control! Set timers for hassle-free operation. Handles up to 20A, perfect for high-demand appliances. Monitor and reduce energy consumption effortlessly. Includes child lock and group control for peace of mind. Control via app, voice, or manual settings. Timer Function 20A Power App Control The YIFAN Smart Water Heater Switch is a robust 20A timer switch designed for high-power appliances, featuring energy monitoring, multiple control methods, and automated scheduling. Compatible with Amazon Echo and Google Home, it offers a seamless smart home experience while ensuring safety and efficiency.