Features Over-current, over-voltage, overheating, short-circuit protection Waterproof design for all kinds of environments Synchronous voltage stabilization for low heat High quality components for stable performance Suitable for bus, LED car displays, surveillance cameras, and more Features:With over - current, over - voltage, overheating, short - circuit and other automatic protection functionsWaterproof design: organic silicone sealing, waterproof, dustproof, shock resistant, suitable for all kinds of bad environmentSynchronous voltage stabilization technology, low heat, enough power and stable performance. Made of high quality FR-4 multilayer PCB, resistor, capacitor, switch and MOS tube are all SMD components. Application: bus, LED car displays, surveillance cameras, electric fan, water pump, motor, photovoltaic energy numerical control equipment, water pumps, router, switch, LED lights, digital photo frame, electronic refrigerator, portable DVD, audio, security systems, portable tools, printers, network equipment, etc Specifications:Input voltage: DC12V Output voltage: 19V Output power: 95W Rated output current: 5A Conversion efficiency: up to 96%Size: 7.4 x 7.4 x 3.2cm /2.91 x 2.91 x 1.26inWeight:226gWiring: Package includes:1 x  Step-up Module Package List