Increase your safety and peace of mind with this easy, affordable Sabre Elite Door Alarm. The Alarm sounds a loud siren when someone attempts entry. And it's audible from up to 750' away (that's approx. 2.5 football fields), so you'll be sure to hear it and intruders will be sent running for the hills. Use it as an entry door alarm to ward off unwanted visitors. Or set it up using the softer chime mode and turn it into an entry/exit door alarm that keeps track of family members entering and leaving the home. The battery-operated alarm requires no wiring, making it a cinch to install yourself. Extremely loud 120 dB alarm alerts homeowner and deters the intruder Alarm is audible up to 750' away User-friendly design with 3 adjustable settings (off/alarm/chime) Chime mode alerts you when people are coming and going while you are home Easy Installation: no wiring needed. Sensor mounts on either side of alarm 30-second entry delay and 45-second exit delay Alarm is secured by 4-digit PIN of your choosing with entry/exit delay setting; no key fob required Premium white alarm design looks great inside your home Provides battery status update with low-battery indicator Requires (3) AAA batteries (not included) Order today!