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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.

  • Screenmate M109 €3.85
  • Shanghai Sishun E-commerce DR145 €2.42
Model Screenmate M109 Shanghai Sishun E-commerce DR145
Running cost
Running cost (per year) €3.85 €2.42
over 10 years €38 +€14 over 10 years €24
kWh per year 13.6 8.5
kg CO₂e per year from electricity use 2.9 1.8
Specifications
Brand Screenmate Shanghai Sishun E-commerce
Model M109 DR145
Energy class C A
Screen size 14″ (36 cm) 14″ (46.7 cm)
Power in on mode (SDR) 6.2 W 3.9 W
Standby 0.5 W 0.3 W
Off mode 0 W 0.1 W
Resolution 1920 × 1200 1920 × 1200
Aspect ratio 16:10 16:10
Panel LED LCD TFT LCD
Refresh rate 60 Hz 60 Hz
Power supply External External
On the market since October 29, 2025 February 17, 2025
EPREL registration number 2516433 2265453
Energy class (HDR) – A
Power in on mode (HDR) – 4 W
Networked standby – 0.6 W

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