Connection Method: 2-Core Wire; Recommended Wire Diameter ≥0.5 mm; Transmission Distance Up to 100 m 7-Inch IPS HD Display: Touch Screen; Resolution 1024 * 600 Pixels Ringtones: 10 Selectable Ringtones Adjustments: Ringtone Volume, Call Volume and Backlight Brightness Adjustable Operating System: Linux Unlock Icons: 2 Icons, One for Door Lock and One for Gate Lock IP CCTV Camera: Supports Connection of Up to 20 IP Cameras via ONVIF Protocol Indoor Intercom: Supports Voice Intercom Between Indoor Monitors Maximum System Capacity: Standard Kit Includes 1 Outdoor Call Station and 1 Indoor Monitor; Supports Up to 2 Outdoor Call Stations and 4 Indoor Monitors via Daisy Chain or 2-Wire Switch Motion Detection: Requires a Memory Card; Automatically Captures Photos or Records Video When Triggered and Sends Notifications to the Mobile App Micro SD Card: Supports Up to 128 GB Micro SD Card for Photo and Video Storage Supported Apps: Tuya Smart / Smart Life WiFi: 2.4 GHz / 5 GHz Languages: English, Russian, Ukrainian, Polish, Portuguese, Arabic, Hebrew, French, Spanish, German, Turkish, Czech, Italian Power Supply: Standard 18V 1A Power Adapter; Optional Built-In Power Supply AC 110V-240V HD Camera: 1080P 2 MP, 1920 * 1080 Viewing Angle: 115° Night Vision: Infrared Night Vision Button Backlight: White Light; Green Indicator Lights Up When Unlocking Successfully Lock Interfaces: 2 Interfaces, One for Direct Connection to an Electric Control Lock and One Dry Contact Signal Interface Lock Compatibility: Electric Control Lock Can Be Connected Directly; Motor Lock, Magnetic Lock, Electric Bolt Lock and Electric Strike Lock Require DP125 Access Control Power Supply Protection Rating: IP65 Waterproof and Dustproof Rain Cover: ABS Plastic Rain Cover Unlocking Methods: Indoor Monitor Unlocking, App Unlocking, IC Card and NFC Card Operating Temperature: -40°C to +70°C Material: Indoor Monitor ABS Plastic + PC Mirror Panel; Outdoor Call Station ABS Plastic Housing + Acrylic Mirror Panel + Zinc Alloy Buttons |