If the device is unstable or won ’ t work, this can help you to understand the situation. WHAT YOU GET:FitDVR Adapter x1, Mini USB (5V) x1, micro USB (5V) x1, USB-C (5V) x1, D C 3.5mm cable A (12 V ) x1, DC3.5mm cable B (12V) x1, RJ11 cable (12V) x1, Y-cable x1 and Plastic tool for install.