【High Sensitivity Alarm】Featuring adjustable sensitivity levels from 1-5, this door and window alarm can be fine-tuned to detect even slight vibrations or impacts. 【Powerful 130dB Siren】With an adjustable volume range of 0-130dB, this alarm produces a loud, attention-grabbing sound to deter intruders effectively. 【Versatile Protection】Ideal for securing doors, windows, and glass surfaces against break-ins, providing peace of mind for homeowners and businesses. 【Easy Installation】Installed by double-sided adhesive tape for quick and hassle-free mounting on various surfaces without the need for tools. 【Long Battery Life】Equipped with two AAA batteries, this alarm offers extended standby time and includes a low battery reminder for timely replacement. 【Customizable Settings】Users can easily adjust sensitivity and volume to achieve the perfect balance between security and noise control in different environments. Specifications: Volume Range: 0 to 130dB Sensitivity Levels: 5 adjustable levels Power Source: 2 x AAA batteries (included) Installation Method: Double-sided adhesive tape Trigger Modes: Light tapping (levels 1-2), Heavy impact (levels 3-5)