4-Level Adjustable Volume The Window Alarm Has 4 Levels Of Adjustable Volume (65 / 80 / 95 / 110dB), Which Can Be Freely Selected, Up To 110dB, To Adapt To Different Work Scenarios Such As Windows, Doors, And Swimming Pools. When The Pool Alarm Is Triggered, The Red Light Of The Alarm Flashes To Enhance The Warning Effect.

Strong Battery Life The Window Safety Alarm Is Powered By 3 AAA Batteries (900mAh), Which Has Long Battery Life And Eliminates The Trouble Of Frequent Battery Replacement. The Doorbell Also Has A Low-Battery Intelligent Reminder Function. When The Voltage Is Lower Than 3.6V, The Window Safety Alarm For Home Will Continuously Beep And The Light Will Stay On.

What's in the box
1 x Vibration Alarm