• Compact design， no wiring required.
• Secure your doors， windows， and valuables.
• 90 dB， instant alarm
• Great for guarding children from opening compartment doors containing hazardous materials
• Easily mounted by adhesive tape to window or door.
• Magnetic sensor switch detects entry protecting your home or office whether you are at home or not.
• Operated by 3*1.5 LR44 button cells. (Included)

 
Package Details Weight: 39.59 g
Size: 12*8.8*2.5 cm
Package Includes 1 × Entry Alarm