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2 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.

Yearly running cost

Bars in proportion to the energy each model uses.

  • CarTFT.com CTF400 €4.34
  • Elecrow CrowPanel 7.0 inch €0.93
Model CarTFT.com CTF400 Elecrow CrowPanel 7.0 inch
Running cost
Running cost (per year) €4.34 €0.93
over 10 years €43 +€34 over 10 years €9
kWh per year 15.3 3.3
kg CO₂e per year from electricity use 3.2 0.7
Specifications
Brand CarTFT.com Elecrow
Model CTF400 CrowPanel 7.0 inch
Energy class A A
Screen size 7″ (18 cm) 7″ (17.7 cm)
Power in on mode (SDR) 7 W 1.5 W
Standby 0.5 W 0.1 W
Off mode 0.5 W 0.1 W
Resolution 800 × 480 800 × 480
Aspect ratio 15:9 16:9
Panel LED LCD LCD
Refresh rate 60 Hz 60 Hz
Power supply External Internal
On the market since June 5, 2007 January 13, 2026
EPREL registration number 563734 2587048
Energy class (HDR) – A
Power in on mode (HDR) – 1.5 W
Networked standby – 0 W
Guaranteed support – 3 years
Software updates – 8 years
Spare parts available – 7 years

Rows where the models differ are highlighted.