G&J's products that protect your life and safety are designed to meet the needs of residential as well as commercial business, big and small. 

Fire and Smoke Detectors - Smoke or dangerously high temperatures will sound an alarm to warn your family of a possible fire while simultaneously notifying their 24x7 monitoring station 

Carbon Monoxide Detection - When dangerous levels of carbon monoxide are detected, our devices sound an alarm to warn your family of a possible build-up of carbon monoxide while simultaneously notifying Emergency24, our 24x7 monitoring station.

Water Leak Detection - Notifies homeowner or business owner of water leaks in or around basements, computer rooms, document storage locations and all drain areas.
Fire, Smoke, Carbon Monoxide and Water Leak Detection
serving all your low-voltage needs:
G&J Customized Security Systems LLC
CALL US TODAY   410-857-0342
security, video cameras, home theater, central vacuum, window candles, fire alarms, access control, intercom, network wiring...