GW-Instek-GTL-401-DC-Power-Cord-GW-Instek-GTL-401-P-The-GW-Instek-GTL-401-DC-Power-Cord-is-the-perfect-cable-for-attaching-your-GSP-830-or-GSP-827-to-a-portable-12V-DC-power-supply-such-as-the-one-in-your-car-The-long-cable-is-terminated-at-one-end-with-a-cigar-lighter-plug-&-the-other-end-fits-neatly-in-to-your-GW-Instek-GSP-830-or-GSP-827-P-GTL-401-DC-Power-Cord