130DB Loud Door Window Alarm with Remote: Window Open Alarm sounds up to 130db to scare off potential thieves effectively and give you good peace of mind. Easy Volume Control: 5 levels adjustable volume. No need worry about the alarm is extremely loud or not loud, easily press +/- button to set the volume as your need. 3 Modes: 1. Constant Alarm (continuously alarm 30s even door closed); 2. SOS Mode (press SOS button on remote the sensor alarming); 3. Door Open Chime (sounds “DingDong” once door opens) 82FT Remote Range: This wireless portable door entry alert comes paired with a remote for arming, disarming, and triggering additional functions on your alarm. The remote can work up to 82ft (25 meters) away from the alarm. Easy Installation: This anti-theft window alarm sensor is easy to setup. Simply clean the mounting surface, then peel and stick double-sided tapes (included), no wiring needed, no screws needed. Note: the installation gap between alarm and magnetic strip should less than 0.39inch.