Acer AL1931 - 9.2 Storage or Shipment; 10. REGULATION COMPLIANCE; 10.1 This product comply to the most current revisions of following regulations:

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9. ENVIROMENT REQUIREMENT
9.1 Operating
Temperature 5°C ~ 40°C
Relative Humidity 20% to 80%
Altitude Sea level to 8000ft
9.2 Storage or Shipment
Temperature -20°C ~ +60°C
Relative Humidity 5% to 85%
Altitude Sea level to 40,000ft
9.2.1 TEST PROCEDURE:
• Put in temperature chamber under 60°C Time:24 hours
• Back to room temperature Time: 4 hours
• Put in temperature chamber under -20°C Time:24 hours
• Back to room temperature Time:4 hours
• The process repeat 2 times.