... for different water level; 4) Humanized installation, applicable for different pool deck.5) Main unit works on dry battery and has ... reacts the alarm within 3-12 seconds; 12) Works with pool standard 5x10m, not more than 6x12m;13) Automatic sensibility adjustment ... DC PIR motion sensors, night lamps, smoke alarms, water alarms, pool alarms, personal alarms, indoor and outdoor PIR detectors, as well ...