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4 monitors side by side.

6 h a day
  • Electricity at €0.2832 per kWh (household price with taxes, Eurostat 2026-S1).
  • 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.
  • CarTFT.com

    MM400
    A 7″HDLCD / LED

    €4.34 per year

    +€3.41 a year

  • Cheapest to run

    Elecrow

    CrowPanel 7.0 inch
    A 7″HDLCD / LED

    €0.93 per year

  • Hosyond

    H043
    A 7″HDLCD / LED

    €1.05 per year

    +€0.12 a year

  • Osoyoo

    2022002700
    A 7″HDLCD / LED

    €1.43 per year

    +€0.50 a year

Yearly running cost

Bars in proportion to the energy each model uses.

  • CarTFT.com MM400 €4.34
  • Elecrow CrowPanel 7.0 inch €0.93
  • Hosyond H043 €1.05
  • Osoyoo 2022002700 €1.43
Model CarTFT.com MM400 Elecrow CrowPanel 7.0 inch Hosyond H043 Osoyoo 2022002700
Running cost
Running cost (per year) €4.34 €0.93 €1.05 €1.43
over 10 years €43 +€34 over 10 years €9 €11 +€1 over 10 years €14 +€5 over 10 years
kWh per year 15.3 3.3 3.7 5
kg CO₂e per year from electricity use 3.2 0.7 0.8 1.1
Specifications
Brand CarTFT.com Elecrow Hosyond Osoyoo
Model MM400 CrowPanel 7.0 inch H043 2022002700
Energy class A A A A
Screen size 7″ (18 cm) 7″ (17.7 cm) 7″ (17.6 cm) 7″ (17.5 cm)
Power in on mode (SDR) 7 W 1.5 W 1.7 W 2.3 W
Standby 0.5 W 0.1 W 0.4 W 0 W
Off mode 0.5 W 0.1 W 0 W 0.3 W
Resolution 800 × 480 800 × 480 800 × 480 800 × 480
Aspect ratio 15:9 16:9 5:3 15:9
Panel LED LCD LCD LED LCD LCD
Refresh rate 60 Hz 60 Hz 60 Hz 60 Hz
Power supply External Internal Internal External
On the market since January 1, 2006 January 13, 2026 May 22, 2025 April 28, 2025
EPREL registration number 563725 2587048 2367005 2342626
Energy class (HDR) – A A –
Power in on mode (HDR) – 1.5 W 0.1 W –
Networked standby – 0 W – 0 W
Guaranteed support – 3 years – 1 year
Software updates – 8 years – 1 year
Spare parts available – 7 years – 1 year

Rows where the models differ are highlighted.