SABRE Wireless Motion Sensor Home Security Burglar Alarm with LOUD 120 dB Siren and 120 Degree Wide Angle Detection - DIY EASY Installation ATTENTION-GRABBING  extremely loud 120 dB alarm helps wake/alert homeowner that movement has been detected (audible up to 750 feet/230M away) USER-FRIENDLY WITH EASY INSTALLATION  3 adjustable settings (off/alarm/chime); chime mode is ideal to alert you when children or guests are coming and going when you are at home; no wiring needed ATTRACTIVE & CONSUMER PREFERRED  superior to other home security products, this premium white alarm looks great inside your home KEYPAD DOOR ALARM PREVENTS ACCIDENTAL ACTIVATION & SECURES LARGER AREAS  alarm is secured by 4-digit PIN of your choosing with entry/exit delay setting; detects movement up to 20 feet (6M) away; no key fob required EXTRA LEVEL OF SECURITY - provides battery status update with low battery indicator (requires 3xAAA batteries)