Features

• Easily Mounted By Adhesive Tape To Window Or Door.
• Magnetic Sensor Switch Detects Entry Protecting Your Home Or Office Whether You Are In Or Out.
• 100% Brand New and High Quality
• Sensor type: Alarm
• Alarm type: Sound
• Material: plastic
• Color: White
• Magnetic sensor switch detects entry
• Ideal guardian against the unwanted intruder whether you are in or out, keep yourself and your property safe and security
• Handy ON/OFF switch: in the state of "ON", the sensor will emit the alarm signal as long as someone opens your door or window
• Powered by 3*1.5V button cell (Not Included)