Door alarm requires 3 x AAA batteries (not included).
3 window alarms included.
Door alarm uses 4-digit keypad to set security code for arming/disarming.
The HomeGuard Home Wireless Alarm Kits includes everything you need to help secure your home, including a deluxe door alarm with a four-digit keypad and three independent window alarms. Best of all, there’s no wiring or drilling required for installation. This simple-to-use, cost-effective security solution helps protect you and your family against home invasions thanks to each of the 110 decibel alarms, loud enough to make a would-be intruder think twice about entering through your doors or windows. Perfect for homes, apartments, dorm rooms and offices.