Door and window - alarm - sensor alarm and assured door window - device Material: ABS Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 216g Package size: 19.5x6x2cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) Enhanced : Our Alarm Provides A And Assured Environment By Alerting You Instantly When A Door Or Window Is Opened, Potential Intruders Effectively. Wide Application: Suitable For Various Door And Window Types, Including Wooden, Metal, And Sliding Doors. Your Home, Office, Or Even Your Hotel Room With This Versatile - Device. Battery Powered: Our Alarm Operates On Long-lasting Batteries, Providing Uninterrupted Without The Need For Frequent Replacements. Stay Secure With Peace Of Mind. Adjustable Sensitivity: Customize The Alarm Sensitivity To Suit Your Specific Needs. Whether You Prefer A Louder Alarm For Maximum Deterrence Or A Quieter One For A Subtle Reminder, This Device Has You Covered. Easy Installation: No Wiring Or Tools Required. Simply Attach The Sensors To Your Doors And Windows, And The Alarm Is Ready To Your Home Or Office.