Material: aluminium pressure die-casting
Coating: chromating and  chemically resistant paint (outside only)
Service temperature: T_serv = -40 ÷ 100°C (85°C with window) –  oil proof rubber          
                                         T_serv = -50 ÷ 150°C (85°C with window) –  silicone rubber
                                         T_serv = -20 ÷ 200°C (85°C with window) –  FKM rubber
Protection degree:  max. possible IP68