SmartPool Pool Eye Universal Swimming Pool Alarm with Remote Receiver - PE23 Pools and can extend the battery

and can extend the battery life

and strong winds

Monitor power usage with no effort -- LED Display for both DC volt and AC volt which makes the power usage clear for users

Suitable for wet locations

SmartPool Pool Eye Universal Swimming Pool Alarm with Remote Receiver - PE23 Pools and can extend the batteryFor use on above ground or in ground pools up to 20 X 40 feet Advanced immersion technology allows it to read surface waves and sub surface waves for objects 15+ pounds Features battery powered poolside base unit and in home receiver that works up to 100 feet away Sounds 85+ dB at poolside and also features a magnetic key for activating and resetting Automatically resets after 3 minutes, and has a low battery indicator