PARAMETER -- input voltage DC 11-90V (12V 24V 36V 48V 60V 72V); output voltage DC 5V; output current 6A APPLICATION -- DC 11-90V step down converter. Can be used for car audio, LED display; motor, speaker; auto map navigator; hard disk player; media; electric fan; toy cars; air conditioning; solar energy, etc. PROTECTION -- over-current protection; over-temp protection; input reverse connection protection; short-circuit protection; waterproof; dust-proof; moisture-proof; shock-proof. CONVERSION EFFICIENCY -- over 95% max. FEATURE -- high conversion efficiency, low heat generation; aluminum case, good heat dissipation, high safety.