For above ground pools up to 24" round or 16" x 32" oval pools * Comes with poolside and in-home remote alarms. * Alarm detects objects 15 lbs or more, has a 120 decibel alarm siren (95 decibels at 10ft.) * Has child-proof ON/OFF switch with audio indicator, remote receives signal up to 100ft * Water-resistant/weatherproof construction, poolside alarm operates on one 9 Volt battery (not included)