Observer Smart Lock (M400 / PSL-DH400) is a US-patented IoT-connected smart lock for critical infrastructure — multi-modal access, instant tamper detection, GPS tracking and full platform integration.
Unlike conventional padlocks or standalone electronic locks, Observer Smart Lock integrates fully with the Observer security platform — every access event — granted or denied — is logged and transmitted in real time to the command center.
Compact body, reinforced flex cable (customizable lengths), 1 cell Li-Ion + charging port.
Cellular by default. BT 5.0 activated automatically when there is no connectivity.
Engineered for municipal sealing and critical infrastructure — IP-rated for outdoor use.
PIN pad, Bluetooth 5.0, NFC card/tag — three independent access methods.
Motion, shock and cut-cable detection triggers real-time push alerts.
Real-time location reported to Observer Platform.
100% of access events — timestamps, user IDs, location — stored for compliance.
| Model | M400 / PSL-DH400 |
|---|---|
| Dimensions | 150 × 50 × 30 mm · Reinforced flex cable (customizable) |
| Access Methods | PIN keypad · Bluetooth 5.0 · NFC (card & tag) |
| Connectivity | LTE (primary) · Bluetooth 5.0 (fallback) |
| Battery | 1× Li-Ion · ~1 month · integrated charging port |
| Temperature Range | -20°C to +70°C |
| Security | Tamper detection · AES-256 encrypted comms |
| Location | Integrated GPS · real-time tracking on Observer Platform |
| Patent | US Patent granted · 2-year warranty |
