Why settle for less security features? When you can have a 3in1 Multi Featured Intercom Door Lock! 

7 inch TFT screen, ABS plastic and touch key, max. 2 outdoor camera, monitor, communication, open the lock, DC input surface mounted.

• M4-B7 FEATURES:
  • One touch function
  • Address book
  • Day & night ringtone volume
  • Call recognition
  • Communications among aprtment to apartment and within one apartment
  • Check call in, out, back, missed calls and monitoring records
  • Auto snapshot, audio and video messages
  • Brightness/Chroma/Ringing volume/talk volume adjustment available
  • Remote setting function (lock time & monitoring time setting)
  • Bluetooth debugging
  • Video intercom, monitoring & unlocking
• M4-B7 SPECIFICATION:
  • LCD screen: 7'TFT capacitive touch screen
  • Resolution: 800x480
  • Operation: touch screen
  • Memory slot: Max. 16gb tf card
  • Material: ABS
  • Working temperature: -10c+55c
  • Working Moisture: 10%-90%
  • Power: DC24V supplied from Power Isolator
  • Working current: 500mA
  • Installation: Surface mounted