7in Video Doorbell Intercom 2 Monitors TFT Screen Night Vision Remote Control System Condition: Item Type: Video Doorbell Color: As picture shown Indoor Unit Specifications: Indoor Unit : 7 Inches Material: Plastic Body + Metal Panel Installation: Hoisting LCD Brand: For Hancal Pixels: 960 x 480 Observation Angle: 65/65/40/65 Brightness(cd / m2): 250 Indoor Unit Size: Approx. 240 x 170 x 25mm/9.4 x 2.7 x 1in Definition:> 700TVL Power Consumption: 8w Delayed Talk Time: 120s Delayed Monitoring Time: 60s Effective Distance: 80m (4 x 0.65mm) Image Radiation Distance: Approx. 200m/656.2ft Working Temperature: -10 - + 50℃ Storage Temperature: -20 - + 60℃ Outdoor Unit Specifications: Outdoor Style: MKB Outdoort Unit Size: 118 x 78 x 35mm/4.6 x 3.1 x 1.4in Material: Plastic Cover + Metal Body Installation: Hoisting Camera Type: Colorful CMOS 3003 Pixel: PAL: 628 X 582, NTSC: 510 X 492 Power Consumption: 4W Resolution:> TVL System: PAL / NTSC (Switchable) Focal Length: 3.6mm Viewing Angle: 92 Working Temperature: -10 - + 50℃ Storage Temperature: -20 - + 60℃