Compatible with SportDOG FieldTrainer 425 (SD-425), 425S (SD-425S), 425X (SD-425X), 425XS (SD-425XS) Compatible with WetlandHunter 425 (SD-425CAMO), 425X (SD-425XCAMO) Compatible with SportHunter 825 (SD-825), 825X (SD-825X) Input: AC 100V-240V,50-60Hz . Output:DC5V 1A 5V1000mA for SportDOG FieldTrainer 425 charger, 5.9ft/1.8M extra long enough power cord AC/DC Power adapter has been tested multiple times and validated to ensure compatibility with WetlandHunter 425 What You Get: 1 x 5V charger for SportHunter 825 5V Charger for SportDOG SD-425 SD-425S SD-425CAMO SD-825 Remote Trainer