Calrad 45-755 UNIVERSAL SWITCHING ADAPTER REGUALTED DC POWER SUPPLY
Switching regulator circuit. Lightweight design. Adjustable slide switch voltage selector with 3, 4.5, 6, 7.5, 9, and 12Vdc. Over/under voltage protection. Short circuit protection.Input voltage of 100-120Vac. Output current 1A. 6” cable length. Color: black. Plug sizes: 2.35x0.7mm mini, 3.5x1.35mm coax, 4x1.75mm coax, 4.74x1.75mm coax, 3.5mm male, 5.5x2.1mm coax, and 5.5x2.1mm coax.