A & L Systems Solutions is a Security System Supplier located in Diamond Bar, CA. We are also a Buglar Alarm Store, Home Theater Store, Camera Store, Home Audio Store, & Audio Visual Consultant. We specialize in Burglar Alarm Systems, Alarms, & Security Cameras. Good security services are the key to peace of mind, particularly when it comes to businesses and homes. Sad to say, but even a workplace can be target for criminals. They might be attracted to valuable equipment that they can loot and then sell, or to data like credit card information. Whatever the case, you can't afford to let potential criminals have their way. Don't hesitate to call us today for a free estimate! (909) 957-9201 Cash, Visa, MasterCard, Discover, American, Check "Monday 07:00 AM - 06:00 PM Tuesday 07:00 AM - 06:00 PM Wednesday 07:00 AM - 06:00 PM Thursday 07:00 AM - 06:00 PM Friday 07:00 AM - 06:00 PM Saturday 08:00 AM - 02:00 PM Sunday 08:00 AM - 02:00 PM"