Loud safety alarm - The door stop alarm activates when the door opens, delivering a loud 120 dB continuous siren to deter thieves or intruders. Stable hold and floor protection - The unit uses non-slip rubber and an alarm function to stay in place. - The bottom rubber protects smooth floors from scratches while maintaining stability. Three sensitivity levels - Side adjustable switch offers 3 levels: M (Meddle), L (Low), and H (High) for different alarm sensitivity. No installation required - Install with batteries and switch to ON to activate the alarm. - When switched OFF, it functions as a regular door stopper without an alarm. - Suitable gap between door and floor: 10 mm to 35 mm. Key benefits and features - Provides immediate deterrence with a powerful siren when the door is opened. - Protects floors on smooth surfaces and prevents scratches with its rubber base. - Customizable sensitivity helps minimize false alarms for different doors and environments. - Easy, tool-free use: no professional installation required; ready to go with battery power. Use scenarios - Home security: place on entry doors to alert you and deter intruders while you are away or asleep. - Hotels, Airbnb, and rental properties: add an extra layer of safety for guests and property. - Small offices or meeting rooms: secure doors during off-hours or while valuables are unattended. Specifications and compatibility - Function: door stop alarm with 120 dB siren - Material: rubber base for stability and floor protection - Sensitivity: 3 levels (M Meddle, L Low, H High) - Power: battery operated - Setup: no installation required; on/off control via switch - Gap requirement: 10 mm to 35 mm between door and floor Notes - When the alarm is ON, the device functions as a loud deterrent; when OFF, it acts solely as a door stopper. - The product remains portable and usable on various interior doors where the gap falls within the specified range.