The Dahua ARK50C-R is a professional alarm keypad designed for use with Dahua ARC series alarm control panels. It features a clear 128 × 64 LCD display and five intuitive LED indicators for quick system status monitoring (zone status, fault, arming/disarming, network and communication).

Key features:

Arm and disarm locally or via IC card (supports up to 32 cards)
Built-in 13.56 MHz IC card reader
RS-485 wired interface + 433.1 MHz wireless communication (up to 80 m range)
Full system control functions including programming, bypass, relay control, walk test and alarm cancel
Housing tamper detection and power-failure parameter protection
Compact PC+ABS casing for wall mounting

Ideal for residential and commercial intrusion alarm systems requiring convenient keypad operation with card-based arming/disarming.

Parameter    Specification
INTERFACE
Model    ARK50C-R / ARK50C-R
Product Type    Alarm Keypad (with IC Card Support)
Screen    128 × 64 LCD, Size: 56.27 mm × 38.35 mm (2.22" × 1.51")
Indicator Lights    5 indicators: Zone status, Fault, Arming/Disarming, Network, Communication
Buttons    0–9, Menu, Up, Down, *, #, Fire, Medical, Arm, Bypass, Enter
RS-485    1 port
Buzzer    Built-in
FUNCTION
Arm and Disarm    Local; IC card (up to 32 cards)
Remote Update    Yes
Power Failure Protection    Yes (configured parameters retained)
Tamper    Housing tamper
Search Functions    Zone status, system faults, program version, communication parameters
Supported Operations    Controller programming, arming/disarming, alarm cancelling, bypassing/unbypassing, relay operations, zone status search, walk test
Language    English
WIRELESS / CARD
RFIC Frequency    13.56 MHz (IC card)
Carrier Frequency    433.1 MHz
Transmit Power    Limit 10 mW
Communication Distance    Up to 80 m (262.47 ft)
Encryption Mode    AES128
GENERAL
Casing Material    PC + ABS
Power Supply    12 V DC (typical)
Operating Temperature    –10 °C to +55 °C (approx.)
Dimensions    Approx. 143 mm × 82 mm × 24 mm
Net Weight    Approx. 0.15 kg
Gross Weight    Approx. 0.39 kg
Installation    Wall mount