TP Link Tapo H100 Smart IoT Hub with Chime Smart Alarm TPLink by TPLink $24.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Whole-Home Coverage - Keep sub-devices connected at all times through the robust wireless network. Low-Power Wireless Protocol - Make connected devices work energy-efficiently, promising longer standby time. Smart Alarm - Coordinates with Tapo smart sensors to warn of danger or deter intruders. Smart Doorbell - Pair it with Tapo Smart Button to build your smart doorbell system, plus 19 ringtones to choose from. Tapo Ecology - Connect with up to 64 smart devices for an immersive and comprehensive smart home experience.