ITEM NAME:Waterproof 12V to 3.7V 3A 11W Car Power DC Buck Converter step down for RV J2D8 Waterproof 12V to 3.7V 3A 11W Car Power DC Buck Converter step down for RV J2D8 Protection against overcurrent Protection against short circuit Protection against reverse polarity input: no (please diode series at the port of entry.) Waterproof design Waterproof full-potting = waterproof full-potting Stepdown converter to RV DCCON-C3.7 Module Properties: non-isolated buck module (BUCK) Rectification: synchronous rectification Minimum pressure: 2V Input voltage: 12V DC (6V-20V) Output voltage: 3.7V Output Current: 3A Output Power: 11W conversion efficiency: 96% Soft-start time: 500mS Output ripple: 50mV (MAX) 20M-bandwidth Max temperature up: 50 Celsius load regulation :+/-1% Voltage regulation: :+/-2% Dynamic response speed: 5% 200US Temperature function: Industrial (-40 Celsius to + 85 Celsius) (If ambient temperature exceeds 40 Celsius, use the lowest power, or strengthen heat dissipation) Small Size: 46x27x14mm package: 1x DC / DC Converter Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.