Triple-layer protection: magnetic clasp sensor, strain gauge, and conductivity circuit — instant alerts if the band is removed or cut.
Watch the instant alert when the band is removed or tampered with
"If someone tries to take off your bracelet — even sneakily — it tells your parents right away. The bracelet has a tiny electric circuit running through the band, and if anyone breaks it, the alarm goes off instantly."
Layer 1: A magnetic clasp sensor detects when the bracelet's clasp is opened. This covers normal removal attempts.
Layer 2: Strain gauges embedded in the band detect stretching, pulling, or cutting forces. Even if someone tries to slide the band off without opening the clasp, the strain gauge catches the deformation.
Layer 3: A continuous conductivity circuit runs through the entire band. If the band is cut, the circuit breaks and triggers an immediate alert. This same circuit powers the LED charms at ultra-low voltage (<0.5V) — dual purpose, zero risk to skin.
All three layers report independently. An alert fires if ANY layer detects tampering, and the notification includes which layer triggered, GPS coordinates, and timestamp.
| Layer 1 | Magnetic clasp — open/close detection |
| Layer 2 | Strain gauge — stretch/pull/cut force |
| Layer 3 | Conductivity circuit — continuous loop |
| Alert Speed | <1 second from tamper event |
| Circuit Voltage | <0.5V (safe for skin) |
| Dual Purpose | Powers LED charms + tamper detection |
| False Positive Prevention | Multi-layer consensus required for non-critical |
| Alert Includes | Layer triggered, GPS, timestamp |
| Band Material | Medical-grade silicone with embedded traces |
| Charm Compatibility | Snap-on LED charms powered by band circuit |
Simulate all three tamper scenarios and watch the circuit respond in real time. Select a scenario and click "Simulate Tamper" to see the full 4-phase alert sequence.
Inspired by hearing aid tamper-proof technology and ankle monitor conductivity patents. A continuous electrical current flows through the band's embedded trace — any break triggers an instant alert.
Resistance
47Ω
Current
2.1mA
Voltage
3.3V
Clasp Opened — Phase 1
Current flows continuously through the embedded conductive trace. Magnetic reed switch closed. Resistance at baseline.
Steady green LED pulse every 10 seconds
Green status — circuit integrity 100%
Green lock icon on complication
Magnetic Reed Switch
Detects clasp opening — like hearing aid battery door locks
Strain Gauge Array
Measures force on band — resistance rises as trace stretches
Conductivity Circuit
Continuous current loop — break = instant open-circuit alert
<50ms
Detection
100Hz
Sampling
0%
False Pos.
Think of it like a garden hose with water flowing through it. The water is electricity, the hose is the band.
A tiny wire (conductive trace) runs through the entire silicone band in a complete loop — from the sensor module, down one side, through the clasp, back up the other side, and back to the module.
The module sends a tiny 2.1mA current through this loop 100 times per second. Like checking if the garden hose still has water flowing. If water stops — something's wrong.
If anyone cuts the band, opens the clasp without a fingerprint, or yanks it off — the wire breaks. Current stops instantly. The module knows in under 50 milliseconds.
The module doesn't wait. It vibrates, flashes red, sounds an alarm, and sends an emergency alert to every guardian device. GPS location is locked. The event is permanently logged.
Inspired by ankle monitor patent US5298884A — the circuit detects every type of bypass attempt.
Open circuit (∞Ω)
Instant — current drops to 0mA in <50ms
Changed resistance (≠47Ω)
Any parallel path changes total resistance — detected immediately
Near-zero resistance (~0Ω)
Shorting the contacts bypasses the trace — resistance drops below baseline
Biometric Guardian Verification
Only verified adults can pair, transfer custody, or modify settings. No PINs, no passcodes — just a fingerprint.
Bluetooth Proximity Tethering
Customizable distance zones with real-time RSSI measurement — both bracelet and phone vibrate when the child wanders too far.
AI Danger Prediction
Microphone, pulse, and emotion sensors fuse together in real-time to classify threats before they escalate.
Ready to protect your child?