130DB Loud Door and Window Alarm with Remote Control: The window opening alarm sounds up to 130db to effectively deter potential thieves and provide peace of mind. Easy Volume Control: Features 5 adjustable volume levels. Simply press the +/- button to set the volume to your preference. 3 Modes: 1. Constant Alarm (alarms continuously for 30 seconds even if the door is closed); 2. SOS Mode (press the SOS button on the remote to trigger the alarm); 3. Door Opening Chime (emits a "DingDong" sound when the door is opened). 25m Remote Control Range: This wireless portable door opening alert comes with a remote control for arming, disarming, and triggering additional functions. The remote can operate up to 25 meters from the alarm. Simple Installation: This anti-theft window alarm sensor is easy to install. Clean the mounting surface, peel off and attach the double-sided tapes (included) – no wiring or screws needed. Note: the installation gap between the alarm and the magnetic strip should be less than 1 cm.