New Sperry West Spyder SPSVD200HF Door Vision intercom system is a color, voice-activated door security system that costs less than many black-and-white door systems. It comes with a stainless-steel day/night outside camera with infrared LEDs and two-way intercom. The stylish, wall-mountable, inside monitor contains a color, 4-in. LED screen. One-touch door answer, then it is two-way, hands-free, voice-activated speaking. The Spyder Door Vision system has a built-in alarm to send a piercing sound through the outside unit to frighten away undesirable visitors. The unit can also trigger a door release where the door is so equipped. Additional receivers may be added.