Features: brand new and high quality Multi-switch fast charging panel: 12/24V car, RV, yacht Simultaneous flash charging of two devices: multi-protocol fast charging, suitable for charging most devices QC3.0 for smart fast charge: automatically output current and voltage according to the degree of power loss of the device, effectively extending the battery life of the mobile phone Intelligent for protection system: avoid short circuit, overvoltage, overcurrent and other safety hazards at the moment of ignition and during chargingMultifunctional panel for vehicle and ship modification: can be combined and matched at will, suitable for cars, RVs, buses, ships, yachts, etc. High level of dust and water resistance, suitable for 12-24V modification, very strong and durable Specifications: Material:PC Color :Black Style 1: Green and Blue Style 2: Green light Style 3: Red light Working voltage: for DC 12V-24V Circuit: ON-OFF Voltage measurement range: 6V-30V Size: Approx.100x97mm/3.94x3.82inch Note: 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1PcxVehicle Chargering