I just plugged this in and was easily able to tune in stations just fine. The case has some scratches from age and use but it’s in overall very good condition. HOWEVER, please note that both the volume knob and channel selection knobs both have damage on them. I found the following info online on RadioMuseum website. Category Broadcast Receiver – or past WW2 Tuner. Superheterodyne (common); ZF/IF 455 kHz. Power type and voltage. Line / Batteries (any type) / AC/DC: 117=105-125 or Battery pack: 3 & 67.5 Volt. Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm. Plastics (no bakelite or catalin). Model: Silvertone DUR-PAC 8219 Ch= 528.53110 Order=57D 8219 – Sears, Roebuck & Co. Portable set > 8 inch (also usable without mains). 7 x 4.75 x 8.25 inch / 178 x 121 x 210 mm. My goal is your satisfaction. I aim to please! THANK YOU AND HAVE A WONDERFUL DAY! Powered by SixBit’s eCommerce Solution.