Bandwidth: 300KHz; Maximum continuous current 70Arms;Peak current 200A;Switching ratioļ¼50mV/Ać5mV/A; DC measurement accuracy: 50mV/Aļ¼0.4A-10ApKļ¼Ā±2%ć5mV/Aļ¼1A-200ApK)±2%;9V battery-powered