Low shipping only $4.95. Order multiples and Save! Additional item shipping only $0.99 each.
Free Shipping on orders of $100 or More! (click for details)

Only 2 1/2 inches long these high quality alarms use a magnetic sensor to detect the opening of a closed door or window. A 90dB alarm will then alert you to an attempted entry and scare off potential intruders. The owner may open the window or other protected object, without setting off the alarm by switching the on/off switch to the off position. May also be used within the home to alert parents to children opening a gun or medicine cabinet or used to protect exterior doors, particularly those hard to protect sliding glass doors. Commercial uses include showcases and cash registers, or use the chime setting to announce a visitor. Requires three (3) button cell batteries. These units come with batteries but we will not guarantee them. You may need to go to your local Wal-Mart to purchase replacement button cell #357 batteries. However, the majority of the alarms have working batteries. Please note that this item comes four (4) units per package and cannot be broken into smaller quantities.

• Dimensions: 2 1/2" H x 1" W x 1/2" D
• 3-Position Switch: Alarm, Off, & Chime
• Easy to install
• Requires three (3) 1.55 V button cell batteries (included)
• Includes mounting double-stick tape strips

• NOTE: These units require and include three (3) 1.55 V button cell batteries. However, we do not guarantee the batteries. Replacement 1.55 V button cell batteries #357 are readily available at any retail store, including Wal-Mart. Most (over 80%) of the alarm units have working batteries.

SKU: MMCA4