Features: 1:New and high quality Super loud 110 dB alarm 2:Convenience in installation--just peel and stick 3:Super environmental suitability and stability 4 :Easily mounted by adhesive. 5:Type to window or door. 6:Ideal entry warning for homes, apartments, mobile homes, do rms, offices, hotel rooms, garages, and more! 7:Magnetic sensor switch detects entry protecting your home or office whether you are in or out 8: Warning door / window sticker is supplied free in package 9:Operated by 3pcs of 1. 5V LR44 / DC 4.5V parameter: Voltage: DC4.5 V voice: 110DB Products include: Sirens: 1 Magnetic stripe: 1 3M adhesive: 1 Instructions for use: 1: open the battery cover on the bottom of the alarm, button batteries charged. 2: sticker pasted on the back 3: will switch to the "ON" position, in case of Magnetic separation will whistle alarm. 4: switch to the "OFF" position, the alarm can be stopped. 5: When the sirens became apparent low, replace the battery immediately, if you do not use it for a long period of time, please remove the battery. Tips: For personal and property safety of themselves and their families Shut doors and windows to guard against theft or when at rest, please go Please note: This is a magnetic door alarm，Not to greet guests doorbell。
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