Operation voltagev15 whats in the boxscrew package users manual connection line 5m power supply 3indoor unit 1outdoor unit connectionwired frequency response hz5060hz resolution420tvline ir distance m1 6 power w6 materialabs kit configurationone to three video doorphone additional featuresrfid camera sensor typecmos sensor sizeinch13 lens mm36 viewing angle 92 minimum illumination lux10 display screen size inch7 answering modehands free m