OATH is being built as a Class II Med Device. | Seeking strategic partnerships, licensing, and development relationships: zach@prevailtactical.com. | All photos are of PoC, not Alpha+. | VMARS is now OATH.
Modern In-Custody Care
Real-Time Vitals Monitoring
Mitigate Liability
"In Custody, In Care"

OATH Smart Handcuff System

The OATH Smart Handcuff System is an innovative, revolutionary solution designed to modernize in-custody care by integrating real-time vitals monitoring onto restraint devices. With OATH, officers can be alerted to medical emergencies the moment they occur, allowing for faster response times and potentially life-saving interventions.

Mitigate Liability

Why OATH is a Game-Changer

Developed by a law enforcement officer, for officers, OATH is engineered to address one of the biggest challenges in custodial care: detecting medical distress in real time. This revolutionary system tracks vital signs, giving officers the tools they need to protect those in their care and avoid preventable tragedies.

Attorneys will urge departments to adopt OATH for its ability to mitigate liability risks, while social justice organizations will champion the transparency it provides. Law enforcement administrators and policymakers will recognize the cost savings and positive impact on public perception, and officers on the ground will rely on OATH to prevent tragedies and enhance their ability to serve and protect effectively.

OATH biometric handcuff prototype with custody-worn vitals monitoring module
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OATH is currently under development, and we're excited to bring this life-saving technology to the market soon. Be the first to know about updates, product launches, and exclusive previews by signing up below. Together, we can transform the future of law enforcement and in-custody care.

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Updates, Product Launches, and Exclusive Previews
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OATH Proof of Concept

OATH biometric handcuff prototype with attached vitals monitoring module
Open OATH biometric monitoring handcuffs with custody-worn sensor module
Close-up of OATH vitals monitoring handcuff prototype with illuminated sensor
OATH biometric monitoring handcuff prototype shown with mobile vitals display