Dahua CCTV 4 in 1 tester

Specs
    Operating system: Linux
    Language: multilanguage
    Operation mode: keyboard
    Auto standby / shutdown
    4.3 "TFT screen (480x272)
    8-button keypad
    LED indicator light (3x35lm)
    Format: HDCVI; HDTVI; AHD; CVBS (NTSC; PAL)
    Resolution:
        HDCVI: 2MP @ 25 fps / 30 fps; 4MP @ 25fps / 30fps; 5MP @ 20 fps; 6MP @ 20 fps; 4K@12.5 fps / 15 fps
        HDTVI: 2MP @ 25 fps / 30 fps; 4MP @ 25fps / 30fps; 5MP @ 20 fps
        AHD: 2MP @ 25fps / 30fps; 4MP @ 25fps / 30fps
        CVBS: NTSC; PAL
    Function control via OSD
    Live video display
    Communication protocol: more than 30 protocols such as Pelco-D / P, Samsung, Panasonic, Lilin, and Yaan
    Baud rate: 150 bps; 300 bps; 600 bps; 1200 bps; 2400 bps; 4800 bps; 9600 bps; 19200 bps
    Audio: 1 channel audio input
    Camera power supply
    Certifications: CE: EN 55032; FCC: FCC Part 15 Subpart B
    Power supply: 1 output 21V / 1A DC
    Audio: 1 IN
    1x USB micro-B (charge / data)
    1x RS-485
    Battery: 2 x lithium batteries (8 hours duration)
    Operating temperature: -10 ° C to + 55 ° C
    Humidity: 30% –95%
    Yellow color
    Dimensions: 125.0mm × 100.0mm × 65.0mm
    Net Weight: 0.34kg
    Gross weight: 0.74 kg