The Swim Alert poolside detection and alarm system is installed quickly and easily to your pool's edge. Its small size and sleek design combine to allow Swim Alert to maintain a low profile while it provides positive protection. The wireless remote unit provides a secondary alarm along with status and low battery lights to monitor the system at a glance. Swim Alert is armed and disarmed at the poolside alarm station with a unique magnetic key. With the unit in "alarm mode" just place the key on the swimmer icon to switch to "swimmer mode." To manually re-arm the system, wait for the water to calm and place the magnet on the swimmer icon again. Or, Swim Alert will automatically re-arm itself within minutes after swimmers leave the pool. For safety's sake, Swim Alert cannot be disarmed remotely. The magnetic key system requires pool inspection before disarming. Effective, dependable, and simple to install and operate, Swim Alert is the superior choice in Swimming Pool Alarms.