ITEM NAME:5X(LM2596 Switch Regulator Module DC-DC Adjustable Buck Converter K9I2) 5X(LM2596 Switch Regulator Module DC-DC Adjustable Buck Converter K9I2) 5X(Package: 1 x LM2596 module Brand new and high quality Short circuit protection Input Voltage: 4V-35V Output Voltage: 1.23V-30V (adjustable) Output Current: rated current 2A, max. 3A (with heatsink) Efficiency: up to 92% (max.) Frequency: 150kHz Output Ripple: (max.) 30 mV Load Regulation: +/- 0.5% Voltage Regulation: +/- 2.5% Operating Temperature: -40 Celsius to + 85 Celsius Dimensions: 48 x 23 x 14 mm Material: Capacitance Resistance + PCB With input and output interfaces. 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 +/- 1-3 cm.).With input and output interfaces. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Load Regulation: +/- 0.5%.