Description: Application: This module can be used in batteries, power , DIY adjustable power supply, vehicle-mounted power supply, Low voltage system power supply, automotive LED lights strip power supply, etc. Input voltage: 5-40V Output voltage: 1.2-30V adjustable Output Current: 12A Max. 100W, enhance heat dissipation of up to 200W Working temperature: -40 to + 85 degrees Operating frequency: 300KHz Conversion efficiency: up to 95% Specification: Short circuit protection: Yes (limit current 14A) Overtemperature protection: (automatically shut off the output after overtemperature) Input Reverse Polarity Protection: None Installation: four 3mm screws (not included) Connection: terminals, solderless, V-IN is the input, V-OUT is the output, with wire output module housing. Size: Approx. 60x 51x 22mm/ 2.36x 2.01x 0.87inch Package Includes: 1 Piece Buck Converter Module