| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $27.91 | $27.34 | $26.49 | $25.35 | Contact US |
Proxmark3 PM3 RDV2 + 7.0 Software ID/IC Card Copier RFID Duplicator Reader Support Dual Frequency Card
$107.94
Smart Door Lock Deadbolt Lock Supports Fingerprint + Password + IC Card + Tuya APP + Key + Gateway
$74.98
Smart Door Lock Deadbolt Lock Supports Fingerprint + Password + IC Card + Tuya APP + Key to Unlock
$59.92
Earthquake Detector Alarm Excellent for Home Office School
The earthquake alarm is designed to provide instant alert of seismic activity detected seismic "P" wave (compression wave), which travels faster than the destructive S-wave(shear wave). Earthquake Detector not only can detect the large earthquakes that occur hundreds of miles away, but also can detect minor earthquakes for many miles around you.
The seismic alarm is a very important advantage that can be the moment of the earthquake to remind you to wake you up that help you and your family members escape from the earthquake.
