Specifications Size 42 x 32 x 12mmInput 8V 80VOutput 5V 3AOutput 3 3V 800mAProtection function reverse connection protectionConversion efficiency 88 Max Working temperature 40C 85CScope of application USB5V 3 3V powered devices such as mobile power mobile phones and tablets Package Included 5 x 9V 12V 24V 36V 48V 60V 72V to 3 3V 5V 3A DC Step Down Module