ITEM NAME:1X(10A 3.5~30V To 0.8~29V Dc/Dc Converter Buck Charger Power Converter ModuN5X2) 1X(10A 3.5~30V To 0.8~29V Dc/Dc Converter Buck Charger Power Converter ModuN5X2) 1X(Input Voltage:DC3.5 ~ 30V (Do not over-voltage),Output Voltage:DC0.8 ~ 29V (Note:This is a step-down board panels,require higher input voltage than the output voltage of 1V or more) Output Current:10A (MAX) Conversion Efficiency:92% (24V switch 12V/2A when measured),Blue digital display,the quiescent current 2-8mA (whether digital open-related) Onboard voltmeter:You can display the input voltage or output voltage,short press the button beneath the digital switch,LED lights marked IN is the input voltage measurement,LED beacon of light measurement OUT is the output voltage.Voltage display factory calibrated,without additional calibration. Color:picture color Material:PC + metal Package Contents: 1 x DC/DC Power Module(with Aluminum Case))