Fangrui Product Details Fangrui Product Details Fangrui Product Details 1. 120db Alarm Sound: Wireless Door Alarm Sound A High Pitched Alarm Up To 120db Upon Detecting A Vibration, Scaring Away Burglars Or Intruders. 2. Strong Alarm: When Someone Illegally Opens A Door Or Window, The Alarm Can Sound A Strong Alarm To Warn The Intruder Away And Alert The Homeowner. 3. Easy To Install: Wireless Vibration Alarm Is Easy To Install, Just Suspend It On A Doorknob, Behind A Door, In A Lock Position, Or On A Window. 4. Easy To Carry: Security Door Alarm Instantly Detects Any Movement Inside A Door Or Window. And Mini, Easy To Carry. 5. Scope Of Application: Window Alarm Sensor Is Suitable For Home, Apartment, Mobile Home, Hotel Room, Garage, Etc. To Protect Your Safety. Alarm Volume: 120 Db Battery: 2 X Cr2032 Battery (included) Colour:red Material:abs Package Contents: 1x Vibration Alarm Sensors Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The