Operation voltagevdc 5v 1a whats in the boxscrew package users manual power supply 1indoor unit 1outdoor unit connectionwireless resolution420tvline ir distance m1 5m power w4w materialabs kit configurationone to one video doorphone additional featuresphotographed camera sensor typecmos sensor sizeinch13 lens mm36 viewing angle 92 minimum illumination lux05 display screen size inch7 answering modehands free monitoring timedelay monitoring ti