4Sight Labs

The Market-Proven Standard for Unified Biometric Monitoring in Custody Environments

08/29/2026

A successful new deployment at Allegheny County Jail, one of Pennsylvania's high volume intake facilities, and a partnership we're proud of.

Working with Holly Martin, the facility's Deputy Warden, has meant building something that strengthens safety and welfare for individuals in custody while supporting the staff who safeguard it every shift.

"This device and this tool is an opportunity to be proactive in their care," she says.

4Sight Labs is engineered for corrections facilities, not adapted for it. 🇺🇸

08/27/2026

Before you evaluate any monitoring platform, ask what happens after intake screening ends.

Individuals may conceal substance use at intake, and jail intake screening alone can't catch every withdrawal risk. Any technology claiming to help close that gap should be able to answer four questions:

1. Signal scope - Does it surface heart rate, blood oxygen, skin temperature, and other biometrics, or just one signal?

2. Continuity - Does monitoring continue automatically through housing placement and shift changes, without staff needing to restart it?

3. Timely notifications - Is the balance between false positives and missed early signs disclosed, or just assumed?

4. Workload impact - Does it add documentation steps for staff, or does awareness run in the background?

That’s why we created the Correctional Bio-Physiologic Monitoring Technology Scorecard. It gives you the questions to ask, what to test, and a framework to help you make a more informed purchasing decision.

Test the technology. Measure the performance. Buy what actually solves the problem.
➡️ https://bit.ly/3SyfBLo

08/25/2026

The first night Allegheny County Jail deployed OverWatch®, it worked.

"Day one - we had an alert go off that required that person to get a further evaluation," says the facility's Deputy Warden of Healthcare Services, Holly Martin.

She sees it as a chance to get ahead of a inmate's crisis before it happens, not just react to one. The protocols her staff already run, day in and day out, now have something extra behind them, catching things sooner than a walkthrough alone ever could.

Every other wearable on the market borrows consumer wireless and hopes it holds up in a facility. OverWatch® inmate monitoring system was engineered for corrections.

Contact us about deployment today. 4sightlabs.com/demo

08/17/2026

Hospital radar wasn’t designed for corrections.

Radar-based vital-sign monitoring sounds compelling: mount a sensor in a cell and remotely monitor heart rate and respiration. But look at what the underlying technology was actually designed to do.
The Xandar Kardian XK300 is FDA cleared for adult patients in a “general care hospital environment including nursing homes.” A jail is not a hospital room.

Three things correctional leaders should know:

1️⃣ Movement matters.
The XK300 is described as measuring resting heart rate and respiratory rate. Its vital-sign measurement depends on sufficient body stability.
People in jail don’t remain still in a predictable position. They roll over, sit up, pace, detox, move around their cells and leave them.

2️⃣ Accuracy declines at lower vital signs.
Peer-reviewed research on the XK300 found increased heart-rate measurement error below 70 bpm and increased respiratory-rate error below 18 breaths/min.
That matters when monitoring people experiencing medical deterioration, intoxication, detoxification or overdose.

3️⃣ Its FDA-cleared indication is a clinical environment—not corrections.
Jails, prisons and detention centers are not identified in the FDA-cleared indications for use.
FDA 510(k) K202464: https://bit.ly/4xKlV1k

The fundamental issue is simple:
Radar stays with the room. People move.

OverWatch® was designed around the opposite premise - the biometric sensor stays with the individual.

A radar in the wall watches a room. OverWatch® watches the person.

08/11/2026

When an incident happens in your correctional facility, can your team show exactly what occurred, when, and how staff responded?

For many agencies, that record has gaps. OverWatch® changes that by pairing continuous biometric awareness with structured notifications and defensible documentation of every response, giving your staff the record they need and your agency the accountability it's built on.

OverWatch® is helping officers respond faster and strengthening the safety and welfare of individuals in custody when it matters most.

Rockwall County, Texas shares how that shift is playing out on the ground.

08/05/2026

Our team met with correctional leaders, sheriffs, and DOC administrators to discuss how OverWatch® and OptiGuard™ are shaping the future of custody operations, from continuous biometric awareness to in-cell monitoring built on existing infrastructure.

Conversations like these help us stay aligned with what agencies are facing day to day, and where custody operations are headed next. Thank you to the American Correctional Association 2026 for hosting us.

07/28/2026

WMAR-2 News took viewers inside the Harford County Detention Center to see what continuous biometric monitoring looks like in practice.

Wearable technology is giving corrections staff earlier awareness of medical crises among individuals in custody.

Sheriff Jeffrey Gahler’s team shares how the program has already supported faster response during real emergencies. Continuous awareness, built for the realities of custody operations.

Watch the full segment: https://bit.ly/45sYfCA

07/21/2026

4Sight Labs connected with sheriffs and corrections leadership at the Sheriff's Association of Texas conference in Fort Worth.

Conversations like these shape how OverWatch® and OptiGuard™ support continuous awareness for agencies and the individuals in their custody.

07/14/2026

What actually counts as a liveness signal in a correctional setting?

OptiGuard™ evaluates subject presence, movement, and breathing patterns in real housing environments, using the IP cameras agencies already have installed. No new hardware. No VMS changes. When a cell shows no signs of life, staff are notified to conduct a wellness check, adding another layer of awareness in high-risk, single-occupancy custody spaces like intake holding and observation cells.

Built to complement OverWatch® as part of a layered approach to correctional monitoring.

See how liveness detection works → 4sightlabs.com/optiguard

07/04/2026

Today marks 250 years of independence... We're proud to celebrate the country we serve alongside the agencies and professionals who protect it every day.

Happy Independence Day from our team, at 4Sight Labs 🇺🇸

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