"The device must be operated with a tape transport unit. The maximum input power required is 20 watts at 115 volts AC, 400 Hz as per MIL-E-16400F. No additional cooling is necessary. The maximum unit power dissipation is 14.5 watts. Dimensions are: up to 7.100 inches in length, up to 4.700 inches in width, and up to 2.800 inches in height."
Product Specifications:
FSC With Name
1260 - Fire Control Designating and Indicating Equipment