Poolguard In Ground Pool Alarm with 200 ft Remote Receiver, 9-Volt Battery Powered System

Poolguard In Ground Pool Alarm with 200 ft Remote Receiver, 9-Volt Battery Powered System Underwater sensor activates alarm when an object weighing 18 lbs or more falls into water Includes an in-house remote receiver with a range of up to 200 ft Operates on a 9-volt battery (not included) with a battery life of approximately one year Compatible with pools up to 20 ft x 40 ft (800 sq ft) Audible low battery indicator at the poolside alarm and remote receiver New sensing technology reduces false alarms from wind, rain, or small objects Can be used with a solar blanket