Thermometers & Barometers TP-LINK

Up to 64+4 Devices – Connect more devices (up to 64 switches*, sensors, or buttons + 4 cameras or doorbells) to create your home's smart ecosystem. Works with Tapo C420, Tapo C400, Tapo D230, and more Smart Alarm & Chime – Works with your smart cameras (Tapo C420, Tapo C400), video doorbells (Tapo D230), and sensors as a smart alarm or chime when motion is detected, or a visitor arrives 19 Ringtone Options – Multiple built-in ringtones (up to 90dB) for your customized scenarios Low-Power Wireless – Helps your smart sensors and buttons last up to 10 times longer by adopting an ultra-low power wireless protocol Voice Control- Working with Alexa and Google Home requires Tapo H200 to be conne…