waterproof converter voltage regulator, up/down voltage regulator stabilizer from 8-40v to 12v, transformer power buck voltage converter regulator automobile power (1a) nobrand <b>features: </b> 1. this voltage regulator can convert 8-40v dc voltage into 12v output voltage. 2. highly integrated smd components for high stability and reliability. 3. high quality aluminum shell for faster heat dissipation and increased durability. 4. ip65 waterproof and dustproof, easily adapt to various working environment. 5. suitable for car screen, monitor camera, fan, water pump, motor, router, etc. <b>specification:</b> input voltage: 8-40v output voltage: 12v ± 0.25v output current: 1a, 2a, 3a (optional) working temperature: -20~80°c start/rise time: 1000ms~2s waterproof rating: ip68 mounting hole distance: 55mm / 2.17in size: 64*57*22mm / 2.52*2.24*0.87in weight: 106g (approx.) <b>package list:</b> 1 x voltage regulator