[130dB ALARM SYSTEM FOR HOME SECURITY] 130dB anti theft burglar alarm system works great as a multi-purpose siren for window sensor, door sensor, or wireless entry alert. With this alarm system, you can deter theft and unwanted access with the help ofa loud siren. The alarm will sound for 30 seconds after being triggered. [15 METER REMOTE RANGE] This wireless window and door alarm comes paired with a remote for arming, disarming, and triggering additional functions on your alarm. The remote can work up to 15 meters (49 feet) away from the alarm. [PAIR MULTIPLE ALARMS AND REMOTES] wireless sensor and alarm system allows for pairing of multiple devices together. Maximize your home security with up to 50 different combinations of these anti-theft alarms and remotes. [EASY TO SETUP] This anti-theft window and door sensor is easy to setup. Simply clean the desired mounting surface appropriately, apply the provided adhesive tape to the back of alarm and magnet, then mount on desired surface. For more detailed instructions,please see the user manual.