Scare away would-be intruders with this 3-Pk. Wireless Door & Window Alarms. Powerful 120dB siren sounds when a window or door is opened, triggered by a magnetic sensor. Its compact design ensures maximum versatility for use on sliding doors, patio doors, windows, cabinets and more. Features a simple 3-position switch--chime, alarm and off. Activate the alarm only when you need to. Use it as a door chime for guests. Simply stick to install with the included adhesive pad. No tools needed!

Made from:
Plastic and aluminum

Measurements:
1-1/2"W x 2-1/2"L, each

Notes:
Includes button-cell batteries