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