1. DC TO DC: This DC step up module is 12V (9 to 13V) to 13.8V. The output power is 207W, the output current is 15A, and the waterproof rating is IP67. 2. HIGH CONVERSION RATE: This DC boost module has high performance and high conversion rate, which makes the efficiency higher. The fully sealed housing serves as a heat sink. 3. MULTIPLE PROTECTIONS: This DC step up module has built in for over voltage, under voltage, over load, over heat and short circuit. 4. ALUMINUM HOUSING AND POTTING: Our DC to DC boost module has a rugged aluminum housing that is very wear resistant and . The potting material is resin. 5. WIDE USAGE SCENARIOS: DC to DC step up module is widely used in vehicles, security systems, telecommunication, electrical equipment, motors, LED strip lights, etc. Specification: Item Type: DC To DC Step Up Module Shell Material: Aluminum Potting Material: Resin Input Voltage: 12V (9-13V) Output Voltage: 13.8V Output Current: 15A Output Power: 207W Working Temperature: -20?-80? Conversion Efficiency: 96% Waterproof Rating: IP67 How to Use: According to the positive and negative connection and then can be used. Package List:1 x DC To DC Step Up Module