Our two-way video security intercom system has a flat 4" B/W screen. It offers a two way manual switcher, a 165 foot maximum wiring distance and can be used with an optional door release. The manual switcher allows the system to be expandable up to 2 monitors and 2 cameras. The system comes with an outdoor flush mount camera. Additional Surface Mount B/W Camera: VDP-C5S Additional Flush Mount B/W Camera: VDP-C5F Additional B/W Monitor: VDP-M5F IMPORTANT NOTE: A VDP-5000 wiring update for use with VDP-C5F cameras has been posted in our Tech Tips section of the website: www.speco.com Color version available: VDP-6000 (not compatible with B/W VDP-5000 or components) Technical Specifications for VDP5000: Angle of Picture VDP-C5F - Horizontal: 110º - Vertical 92º Call Signal Device Door Chime Communication System Duplex handset Connection Screw terminals Housing VDP-M5F - White plastic, VDP-C5F - Pewter gray metal Illumination VDP-5CF - Infrared LED's Lens VDP-C5F - 3.6mm Max Wiring Distance 165' (22AWG wire) Minimum Illumination VDP-C5F - 0. lux on object up to19 feet Monitor VDP-M5F - 4" flat B/W CRT Operating Temp VDP-M5F - 14 degrees F- 104 degrees F, VDP-C5F - -4 degrees F to 122 degrees F Output Impedance VDP-C5F - Video 300 ohm - Audio 600 ohm Power Consumption VDP-M5F - Max 24VA standby 2VA, VDP-C5F - Max 3 watts Power Source VDP-M5F - 12V regulated DC, (power supply included), VDP-C5F - Power supplied from monitor Scanning Frequency Horizontal: 15.75 KHz, Vertical: 60Hz Weight VDP-M5F - 2.86 lbs. VDP-C5F - 1.1 lbs. Wiring 4 Wires, 22 gauge minimum Specs for VDP6000: Monitor VDP-M6F - 4" flat Color CRT Power Source 12V regulated DC, (power supply included), VDP-C6F - Power supplied from monitor Operating Temp VDP-M6F - 14 degrees F- 104 degrees F, VDP-C6F - -4 degrees F to 122 degrees F Lens 3.6mm Communication System Duplex handset Call Signal Device Door chime Wiring 4 Wires, 22 gauge minimum Max Wiring Distance 165' (22AWG wire) Connection Screw terminals Housing VDP-M5F - White plastic, VDP-C5F - Pewter gray metal Power Consumption VDP-M6F - Max 24VA standby 2VA, VDP-C6F - Max 3 watts Minimum Illumination VDP-C6F - 0. lux on object up to19 feet Illumination VDP-6CF - Infrared LED's Angle of Picture VDP-C6F - Horizontal: 110º - Vertical 92º Weight VDP-M6F - 2.86 lbs. VDP-C6F - 1.1 lbs.