The Radio Shack 100W 1.75 AMP 12 VDC Unregulated Power Supply #22-502 is a high-quality power supply designed for radio communication equipment such as scanners, ham radio transmitters, transceivers, and CB radios. Made by RadioShack, this power supply is compatible with brands like Realistic, RadioShack, and Tandy. It features a 3 amp circuit breaker with reset and an on/off switch for easy control. This product is assembled in the United States and is compact in size, measuring 7 inches in length and weighing 2 lb 10 oz. Perfect for powering your radio communication equipment with reliability and efficiency.