General Features Model: DS-KIS203 Video Door Phone Kit System Type: Analog video intercom system Components: DS-KH2220 Indoor Station (7-inch monitor) DS-KB2421-IM Outdoor Station (camera doorbell) Application: Designed for residential and small-scale commercial use. Indoor Station (DS-KH2220) Display: 7-inch TFT LCD screen Resolution: 800 × 480 pixels Audio Features: Full-duplex audio with a built-in microphone and speaker Supports two-way communication with the outdoor station Interface: One-touch call button for easy operation Power LED indicator Controls: Allows remote door unlocking and video surveillance Adjustable volume, brightness, and contrast Power Supply: Powered through the included 12V DC adapter Mounting: Wall-mounted design for convenient indoor installation Material: Durable plastic housing Dimensions: 195 × 132 × 18 mm Outdoor Station (DS-KB2421-IM) Camera: Resolution: 720 × 576 (PAL) or 720 × 480 (NTSC) Lens Angle: Wide-angle view for enhanced surveillance Construction: Aluminum alloy housing for weather resistance IP65-rated: Water and dustproof Features: Built-in IR LEDs for night vision capability Tamper alarm to enhance security Audio: Built-in microphone and speaker for clear audio communication Connection: Standard 4-wire interface for seamless setup Power Supply: 12V DC input Dimensions: 128 × 42 × 24 mm System Features Wiring: 4-wire connection between indoor and outdoor stations Communication: Clear video and audio for secure visitor interaction Night Vision: Enables monitoring in low-light conditions Installation: Easy to install and configure Remote Unlocking: Unlock doors directly from the indoor monitor Operating Environment Indoor Station Operating Temperature: -10°C to 55°C (14°F to 131°F) Outdoor Station Operating Temperature: -40°C to 60°C (-40°F to 140°F) Description Hikvision DS-KIS203 Video Door Phone The Hikvision DS-KIS203 Video Door Phone Kit is a versatile and user-friendly solution for enhancing home or small business security. This comprehensive kit includes a 7-inch indoor monitor (DS-KH2220) and a robust outdoor station (DS-KB2421-IM), providing seamless communication and secure access management. The indoor station features a 7-inch TFT LCD display with 800 × 480 resolution, offering clear video footage of visitors. Its intuitive interface allows users to answer calls, communicate with visitors via two-way audio, and remotely unlock doors with ease. Adjustable volume, brightness, and contrast settings ensure a customizable user experience. The outdoor station is equipped with a wide-angle camera for comprehensive visitor coverage and built-in IR LEDs for night vision, ensuring visibility in low-light conditions. Its IP65-rated aluminum alloy housing protects it from harsh weather, making it suitable for outdoor installations. The tamper alarm adds an extra layer of security, alerting users to unauthorized access attempts. With a 4-wire connection system, the DS-KIS203 is easy to install and ensures reliable communication between the indoor and outdoor units. The system also supports remote unlocking, providing added convenience for managing entry points. The Hikvision DS-KIS203 is an ideal choice for residential and small-scale commercial applications, combining durability, clear communication, and enhanced security features in one efficient package.