Features: We Ship via USPS First Class or priority Mail with Tracking Number for USA Customers. Overvoltage and Shortcircuit protection. Short Circuit Protection. Over Temperature Protection. Wide input Voltage range, could stable work under DC 12V. PCB & Cover is manufactured with Fireproofing materials. Low Ripple and Noise. High Quality Raw Materials. High Power exchange efficiency to control working temperature and stable working. Specifications: Input Voltage: DC 12V Connector Size: Refer to the picture Compatible with: For Motorola T9500 T8550 T8500 Radio Auto Vehicle Boat RV Package Includes: 1 x Car DC Power Supply