Our Pool Alarm Pool Eye is a wonderful product that provides peace of mind around the pool. Our underwater sensor sounds an alarm when objects weighing 15 lbs. or more fall into the pool. The alarm sounds at the pool and also at the remote receiver, which can be located up to 100-feet away. This patented wave detector protects your pool while eliminating false alarms due to wind and rain. The unit also displays air and water temperature in fahrenheit and celsius for your convenience. The alarm sensitivity is adjustable to prevent false alarms. The Pool Alarm Pool Eye is packed with safety features including childproof on/off switch, low battery signal, power check test button, 2 RF channels, and an AC adapter for the remote. This alarm comes complete with ladder and deck mounting hardware and an installation instructions manual. This alarm is powered by a 9-volt battery (not included) and comes with a 1-Year warranty. For pools up to 18-feet x 36-feet (larger pools need two alarms).