Module properties: No-isolated, atomatically voltage step up and step down; Input voltage: 3~35V; Output voltage: 1.2~30V (continuously adjustable); Output current: 2A; Input current: 3.5A (MAX); Output power: Natural cooling18W(output voltage >10V), 24W with heat sink, Output Ripple: 20M Bandwidth (Just for reference), input 10-14V output 12V 0.2A 50mV (Max); Operating temperature: Industrial grade (-40'C to +85'C ) (ambient temperature exceeds 40 degrees, lower power use, or to enhance heat dissipation); Full load temperature rise: 45'C; No load current:typical 10mA (10-14V to 12V); Load regulation: +/-1%; Voltage regulation: +/-0.5%; Dymanic response speed: 5% 200uS; Short circuit protection: Yes (10 seconds); Input Reverse Polarity Protection: None, (if required in the input string into the diode); Installation: two pcs 3mm screws; Wiring way: welding, add pin can be welded directly in PCB<br /><br /><br />Packing List<br />1 x Voltage regulator module<br /><img src="//agdetail.image-gmkt.com/m430/092/600/560600092/img/agdetail.image-gmkt.com/092/600/560600092/img/img6.eachbuyer.com/x9/p100/eb03184_1.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/092/600/560600092/img/agdetail.image-gmkt.com/092/600/560600092/img/img6.eachbuyer.com/x9/p100/eb03184_2.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/092/600/560600092/img/agdetail.image-gmkt.com/092/600/560600092/img/img6.eachbuyer.com/x9/p100/eb03184_3.jpg" />