1、100% brand new and high quality. 2、Small body and stable performance. 3、This module has Input reverse connection protection function 4、It has enable interface which can control switch 5、Suitable for solar cell phone charging, car charging retrofit and driving recorder power supply Features: 1. 100% brand new and high quality 2. Small body and stable performance. 3. This module has Input reverse connection protection function 4. It has enable interface which can control switch 5. Suitable for solar cell phone charging, car charging retrofit and driving recorder power supply Specification: Condition: 100% Brand New Model: LM2576HV Output Current: 3A(Max) Continuous Working Current: 1.2A Conversion Efficiency: Up To 92% Working Frequency: 52Khz Rectifier: Non-Synchronous Rectification Module Properties: Non-Isolated Step-Down Module (Buck) Short Circuit Protection: Current Limiting, Since The Recovery Operating Temperature: Industrial Grade (-40℃ To +85℃) (Output Power 10W Or Less) Full Load Temperature Rise: 40℃ Load Regulation: ±0.5% Dynamic Response Speed: 5% 200us Weight: Approx. 12g / 0.4oz Size: Approx. 4.5 * 30 * 1.2cm / 1.8 * 11.8 * 0.5in Package List: 1 * Step-down Module