Features: OOTDTY Power supply is available 24 hours a day and can work even when parking. Voltage reduction, voltage stabilization, flame retardant and high temperature resistance, durable heat dissipation. No black screen and no screen flickering when using full current. Built-in low voltage protection--to make sure it is not exhausted. For a variety of products, suitable for most home DVRs, electronic dogs, navigation-GPS. Charging is more hassle-free. It does not occupy the cigarette lighter socket, hides the wiring, looks beautiful and neat, and beautifies the environment in the car. Specifications: Material: ABS Measurement: As the picture shownPackage includes: 1x Step-Down LineNote: (1). Please allow 1-2cm errors due to manual measurement, please make sure you do not mind before ordering. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Today