"ITEM SPECIFICATIONS INCLUDE A LENGTH OF 10.00 IN.,WIDTH OF 5.50 IN., AND OPERATE WITHIN A VOLTAGE RANGE OF 5.0 VDC TO 31.0 VDC. THE MATERIAL USED FOR CONSTRUCTION IS ALUMINUM ALLOY, AS PER QQ-A-200/250, WITH A CHROMATE CORROSION COATING. IT HAS A MAXIMUM WEIGHT OF 4.0 LBS AND OPERATES BETWEEN -40.0 DEG C AND 71.0 DEG C."