SPECIFICATIONS :
Dimensions:  2.5"W x 3.15"H x 2.5"D
Weight:  0.8 lbs. 
Temperature:  -20 to 55C
Altitude:  to 55000 ft. 
Lighting:  27.5 VDC or 5VDC or VAC
TSO:  C41c Class A, RTCA DO-160A, Env. Cat. F1A/PKS/XXXXXXABABA 
Eurocae:  1/WG 14175 Env. ED-14A