Item No.: B15Z954

.Connect OBD to the vehicle, and the vehicle status indicator needs to be light

.Connect the USB power supply and check the USB power supply indicator and output status The indicator lights need to be light at the same time 

.The battery can be replaced When the buzzer sounds the USB power supply indicator does not light up indicating that the USB power supply is The voltage is too low，please check the USB power supply or the OBD load is too large.

.OBDll output terminal line is 120mm long

.USB input terminal is  about 20mm long

.Input:DC5V above 2A

.Output:DC9V MAX 750MA