Smart Water Leak Sensor Tapo T300 Designed to Fit Everywhere – Place in any location with its elegant design. 90 dB Dripping & Leaking Alarm – Tapo T300 can emit an alarm up to 90 dB. IP66 Waterproof Rating – IP66 waterproofing protects from wet and dusty environments. Hub Supported – When a leak is detected, Tapo Hub’s alarm and notifications activate instantly via Tapo App. Dual Induction – Detection points on the top and bottom of the device pick up dripping and complete immersion.