The Dahua Technology VTO4202FB-MK Keypad is an advanced digital coded keypad module designed to enhance the functionality of Dahua modular IP video door phone systems. Specifically, it is compatible with models in the VTO4202FB-X series. This product provides enhanced access control through its backlit alphanumeric metal keypad featuring keys 0-9, *, and #, allowing for secure door entry while maintaining visibility in low-light conditions.

Key technical specifications and features include:

• Material and Build: Anodized front aluminum panel providing durability with an IK07 vandal resistance rating for robustness against physical impact.
• Protection Grade: IP65-rated, ensuring dust and water resistance, optimizing it for outdoor use in various weather conditions.
• Dimensions: Compact size of 100 mm x 49.90 mm x 28.50 mm (3.94" x 1.96" x 1.12").
• Processor: Embedded MCU processor for reliable and efficient operation of the keypad.
• Power Supply: Operates on 5V DC, generally powered via the main intercom system with a 5V DC power output port for additional modules if necessary.
• Backlighting: The keypad features backlighting for ease of use in the dark, enhancing usability.
• Operating Environment: Suitable for temperatures ranging from -20°C to +60°C (-4°F to +140°F) and tolerates humidity levels of 10% to 90% relative humidity.
• Power Consumption: Low power usage of around 1 watt, making it energy efficient.
• Application: Designed as an additional module to expand the functionality of Dahua's IP video door phone systems for customized access control.

In summary, the VTO4202FB-MK Keypad combines a sleek modern design with rugged durability, making it an excellent addition to Dahua IP intercom systems. It is ideal for both residential and commercial outdoor security installations requiring enhanced access control via keypad entry.