Detailed Product Description

Basic function: 1. Door bell 2. Intercom 3. Visitor's image recording( modul needed) 4. Remote unlock Monitor: NSK 7450 series and NSK 7440 series Item: 7440/7450 System application: Cx system, coding system Power: 18VDC Stand by current: 30mA Case: Plastic Bell ring: Selectable Display: B/W: 4" flat CRT or Color: 4" TFT LCD Resolution: B/W: 420 TV lines or Color: 480*258 Intercom mode: Handset Alarm zones: Emergent button Sensor: NA Phone alarm output: NA Alarm: Remote Installation: Wall mounting Product dimension: NSK7450 287*238*53mm NSK7440 195*217*58mm Function extend: 4 wireless alarm zone, image recording Monitor extend: 1-2