ITEM NAME:LM2596 LM2596S Step-down Module DC 4.0-40V to DC 1.25-37V with Voltmeter #gib Store Home Promotion Hot Item Add to Fav.The output power is 20W. - With overheat protection and short circuit protection. 1 x Step-down Module. Add to Fav. Application range - With reverse connection protection, reverse connection does not burn.