Kivos new product kdb302a wireless video door phone is 300meters wireless in open area, with 3.5''tft screen, outdoor camera is ip55 waterproof, with night-vision, tamper-alarm, auto detection, intercom function, this model is very hot sale in usa, canada, mexico, russia, germany, france, netherland, australia, etc.. Specification: Remote unlock the door Night vision Store 120 pcs pictures Waterproof:ip55 Night-vision:1.5m Motion detection:3m