The PowerG Wireless Magnetic Door/Window Contact is a slim, sleek and discreet magnetic contact transmitter, used primarily for protecting doors and windows. When installed, the contact is virtually unnoticeable and does not interfere with home décor. Easy to install with a pull tab and built-in signal indicators, it is also easy to maintain. The device is highly reliable with an exceptionally long battery life, delivering enduring security. Fully compliant with international standards, the PowerG Wireless Magnetic Door/Window Contact is compatible with PowerMaster alarm systems and is easy to operate in a wide range of residential and light commercial environments.