HP mp3130 User Manual page 71

Identifying the projector specifications
Noise level
Environment
User's Guide
(continued)
37 dBA
Operating:
Temperature: 10 to 35°C (50 to 95°F)
Humidity: 80% RH max, non-condensing
Altitude: up to 3,000 m (10,000 ft), up to 25°C
(77°F)
Storage:
Temperature: -20 to 55°C (-4 to 131°F)
Humidity: 80% RH max, non-condensing
Altitude: up to 12,000 m (40,000 ft)
Reference
71