Item Type: Video Doorbell Material: Zinc Alloy+ABS Weight: Approx. 1293g / 45.6oz Monitor Size: Approx. 23x16.6x2cm / 9.1x6.5x0.8in Doorbell Size: Approx. 12.7x5x4.5cm / 5.0x2.0x1.8in Output: DC15V Screen: HD TFT LCD Power Consumption: Standby 1W, Working 10W Working Temperature: -30-60 Monitoring Time: 90S Talking Time: 90S Number of Calling Ringtones: 25 Resolution: 800x480 Function: Intercom function, outdoor camera, hands free, monitor, unlock, adjust brightness, color, volume, backlight compensation, WiFi function Package List 1 x Monitor 1 x Doorbell 7 x Expansion Tube 7 x Expansion Screw 1 x Hex Wrench 1 x Screw 1 x Extension Cord 3 x Connection Line 1 x Bottom Plate 1 x Plug 2 x English Manual 1Monitor: With high definition TFT LCD display, 800x480 high resolution, bright colors, high degree of reproduction, and support for adjusting brightness. 22 Way Intercom: One key call, 2 way intercom, the guest taps the call button, the indoor unit responds immediately, talks and unlocks. 3Wall Mounted Installation: Equipped with screw accessories, easy installation, widely used in homes, apartments, villas, hotels and offices. 4WiFi Function: The door can be opened and unlocked through all indoor monitors, providing more comprehensive protection for your home. 5High Quality Materials: High quality zinc alloy + ABS plastic shell, safe and durable, corrosion resistant, suitable for outdoor installation.