Product features:Chain pull door opener for box locks with pull button, can be used on the right and left. Included in delivery: chain (approx. 1 m), tensioning device, adjusting screw, 4 S-hooks. Technical data:12 V~ box 62 (depth) x 120 x 25 mm short-term load 20 sec. approx. 8 OhmInstallation instructions:Note: