• Magnetic door window alarm sensor 120dB alerts a person to a door or window opening
• Prevent children from going out of the house without notice. Also ideal entry warning for your home, office, apartment, garage and so on
• Ultra-thin door and window alarm with 2 adjustable settings (off/on). 3*LR44 batteries included
• Easily mounted by adhesive, No wiring needed, No screws are needed
• You will easily know when to replace the batteries with its low battery indicator, with no worry about failing to work

Specifications:

• Model: NB06
• Voltage: 4.5V
• Current: 60mA
• Volume: 120dB
• Power supply: LR44*3
• Certification: CE, FCC