Specification Brand : XMSJSIY BulletPoint1 : The OBD to Micro USB Power Cable for Dash Camera step-down charging cable connects to the OBD/OBD2 port and connects to the Micro USB device at the other end. It provides 24-hour parking monitoring power to the Micro USB device and steadily steps down the voltage from DC12-40V to 5V/3A stable output. BulletPoint2 : Power off + 24 hours monitoring. This OBD power cable allows One cable to achieve two functions: Function one: "O" ACC mode - when the car ignition, the power cable began to output power; car off 20 minutes later, the power cable will automatically stop power supply, shut down the output. Function two: "-" normal power supply mode - 24-hour uninterrupted power supply through the power cord. BulletPoint3 : This universal OBD/OBD2 power cable contains a smart chip, when the "-" monitoring mode, lasting a long time, the battery is below 11.6V safety voltage, start low-voltage protection will automatically cut off the power, to avoid the battery power loss can not start. BulletPoint4 : Plug and play, do not destroy the original car circuit. Easy to install, you can DIY it yourself easily. (Only get power from ODB interface, no interference with other ODB data communication.) BulletPoint5 : Input port: for all vehicles with OBD port (cars, trucks, boats, ferries, etc.). Output port: designed for car recorder GPS navigator, cell phone charging, DVR, radar detector and more micro usb port devices. Color : Black CompatibleDevices : Camera ConnectorGender : Male-to-Male ConnectorType : Barrel Connector ConnectorType1 : Auxiliary ConnectorType2 : Micro USB ExternallyAssignedProductIdentifier : 6041220370256 GpsrSafetyAttestation : 1 IncludedComponents : cable IndoorOutdoorUsage1 : outdoor IndoorOutdoorUsage2 : indoor InputVoltage : 240 volts ItemName : XMSJSIY OBD/OBD2 to Micro USB Power Cable for Dash Camera OBDII Power Cable Adapter Charging Wire 12V-40V to 5V/3A Surveillance/ACC Mode with Switch Button-3.5M/11.5FT ItemPackageDimensions_Height : 18.8976 centimeters ItemPackageDimensions_Length : 2.4892 centimeters ItemPackageDimensions_Width : 10.9982 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : gps-cables Manufacturer : Yingtuyou jiaju Material : Stainless Steel MaximumCurrent : 3 amps MaximumVoltage : 40 volts_of_direct_current ModelNumber : H509 MountingType : Wall Mount NumberOfItems : 1 NumberOfPins : 5 PartNumber : OBD to micro usb PowerSourceType : Corded Electric ProductDescription : ACC mode will automatically power off after 20 minutes after the ignition is turned off. Intelligent chip low voltage protection with switch, easy installation, plug and play, concealed parking monitoring, original appearance, intelligent dual power supply step-down cable, switch control 24 hours parking monitoring power supply and power supply with car ignition start, automatic shutdown after turning off the engine! 12V/24V to 5V OBD step-down cable, 3A output capacity, compatible with all models in the market. Power off + 24 hours monitoring. One wire to achieve two functions Switch “0” press: key ACC power supply/power off, auto power off after 20 minutes, different models will have error, most in about 5 minutes. Switch "一" press: 24 hours power supply, low voltage protection ACC mode input parameters: DC12.7V-40V Normal power mode input parameters: DC11.6V-40V Output parameters: 5V3A Wire length: 3.5m Wire thickness: OD3.5mm Switch role: switch mode ACC/normal power Package includes: 1*OBD to micro USB charging cable