Automatic protection function:With overcurrent, overvoltage, overheating, short - circuit and other automatic protection functions. Waterproof design:organic silicone seal, waterproof, dustproof, shock resistant, suitable for all kinds of bad environment. Voltage stabilization technology: Synchronous voltage stabilization technology, low heat, sufficient power and stable performance. High-quality construction:Composed of high-quality multi-layer SMT circuits, resistors, capacitors, switches and MOS FR-4 tubes. Field of application:buses, car LED displays , surveillance cameras, electric fan, water pump, motor, digital photovoltaic power control equipment, water pumps, router, switch, LED lights, digital photo frame, electronic refrigerator, portable DVD, audio, security systems , portable tools, printers, network equipment, etc. Type: DC/DC power supply Input voltage: 12V Output power: 190W Voltage of output: 19V Output current: 10A Size: 74*74*32MM Input voltage range: 10V-16V Protection class: IP68