Alarm Systems
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Fire and Life Safety
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Video Surveillance
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Access Control
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Medical Alert
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FirstLink
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FirstView
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FirstConnect
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FirstNet
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"f you live in their service area, go with Sentry Alert. Customer service like it used to be: professional, friendly, engaged and honest. Amazing how refreshing it is to meet people who seem to genuinely enjoy their work, who are knowledgeable about what they're doing, and who aren't giving you a hard sell."

~David K., Oakland, CA

"Sentry Alert is a must-have for ALL Bay Area families. When you call, you get a live person immediately!"

~Britney F., Martinez, CA

"Sentry Alert installed my security system and it's flawless. The installer Sergio was polite, professional, arrived on schedule. Everything went according to plan."

~Carolyn S. , Alameda, CA