Dahua Thermal Network Mini Hybrid Bullet Camera TPC-BF2120P-T1F4

Cellular communicator, simple operation
Support 50 wireless sensors and 50 RFID cards,
Support 10 remote controls
Store 5 alarm phone number
Store 1 speed dial number
Support door lock
Voice memo recordable
Arm and disarm by SMS or free phone call
Two-way talk
Built-in siren and lithium battery backup
SMS alerts for power failure
power recovery and low battery
850/900/1800/1900MHz frequency
Tamper protection