Video Intercom Doorbell Smart Dual Monitor Electronic Doorbell 16 Bells Night Vision Infrared Camera for Home Item Type: Video Intercom Doorbell Material: ABS, Aluminum, Acrylic Gross Weight: 1857g / 65.5oz Product Size: Indoor: Approx.240 x 150 x 24mm / 9.4 x 5.9 x 0.9in, outdoor: Approx.155 x 100 x 55 x 35mm / 6.1 x 3.9 x 2.2 x 1.4in Resolution: 800 x 480 Camera: HD color CMOS up to 700 lines Camera Lens: Approx.3.6mm / 0.1in Camera View: 92 degrees Call Duration: 120 seconds Monitoring Duration: 60 seconds Power Consumption: static 0.5W, call < 10W Power Output: DC 15V Purpose: Family