ScreenSentry | Mobile Laptop Watcher & Alarm

🎯 WATCH ZONE

STATUS STANDBY

WATCHING Laptop Screen

FPS 0

DIFF: 0.0% TRIGGER AT: 4.0%

📱

Tap Start Watching to initialize camera and lock onto your laptop screen.

Target Zone (Laptop Screen Area) Drag box on video to align

Sensitivity Medium

Low (Ignore flicker) Balanced Ultra High

Trigger Delay (Anti-Flutter) 0.4s

Instant 0.4s (Recommended) 2.0s

Alarm Synthesizer Web Audio 100% Offline

Volume Level 100%

Camera Lens

Incident Snapshots

🛡️ No triggers yet. System is standing guard.

Place your phone on a stand/mug facing your laptop screen.
Adjust the highlighted Target Zone box so it covers your laptop screen (not the background).
Tap START WATCHING and step away. Any text change, email pop-up, download finish, or screen flash triggers the loud alarm!