LifeSmart Water Leakage Sensor - CR2450 Battery - White Suunto KB-20 Dual batteries mean that

Dual batteries mean that

built-in LED flashlight and has three methods of charging

Elegant and ultra lightweight design

You can also read them directly on the watch

VOX per channel

LifeSmart Water Leakage Sensor - CR2450 Battery - White Suunto KB-20 Dual batteries mean thatThe LifeSmart Water Leak Sensor can be easily installed onto the wall in your home to protect your property. It notifies you on your mobile device via the LifeSmart App when there is a water leak. You don't need to worry about water valve failures anymore. FEATURES: Real time Monitoring Remote Alarm Message Notification Long Standby Time Split Design Multiple Combination of Triggers SPECIFICATIONS: Working Temperature: 5~45 Input Voltage: 3V(CR2450)