HS-V121K

7" Color Villa Video Door Phone Kit including 1pcs outdoor camera bell ,one indoor monitor unit with..

HS-V121MK

7" Color Villa Video Door Phone Kit with Built Memory includes 1 pcs outdoor camera unit,one pcs ind..

HS-V123/4K

4 Bell Appartment video door kit includes 4 bell camera unit with 4 pcs indoor monitor..