Adjustable sensor head for coverage control. Loud 105 decibel alarm. Easy to install - no wiring required. 9 Volt battery included. Personal On/Off code - Create your own 1-6 digit security code. Selectable entry alarm delay - Instant, 5 or 10 seconds. Adjustable alarm time - 30, 60 or 90 seconds. 60 second exit delay. Table/wall mountable. 1 year limited warranty. Emergency panic button. Detects movement inside boat. Low battery indicator.