Epson EB-5535U User Manual page 212

Specifications
212
0 to +45˚C (Altitude of 0 to 1,500 m, no condensation)
Operating temperature *
0 to +40˚C (Altitude of 1,501 to 3,048 m, no condensation)
-10 to +60˚C (No condensation)
Storage temperature
Mass Approx. 6.9 kg Approx. 6.9 kg Approx. 6.7 kg
* If the surrounding temperature gets too high, the lamp automatically dims (about 40˚C at an altitude of 0 to 1500 m, and 35˚C at an altitude of 1501 to 3048 m).