This Fuel Sync Gas Saver Device is designed for vehicle owners seeking to potentially optimize their engine's efficiency. This plug-and-play tool claims to utilize magnetic callback technology, aiming to support more complete combustion and enhance overall fuel economy during driving. Core Benefits & Features: Simple Plug-and-Play Installation – connects directly to your vehicle’s standard 12V power outlet (cigarette lighter socket) – requiring no tools, wiring, or professional help for setup. Claimed Magnetic Technology – is described to generate a magnetic field – intended to positively influence the fuel-air mixture before combustion for potentially improved efficiency. Universal 12V Vehicle Compatibility – designed to work with most gasoline and diesel vehicles, including cars, SUVs, and trucks – that are equipped with a standard 12V accessory socket. Compact & Maintenance-Free Design – made from durable ABS plastic in a small form factor – allows for discreet, permanent placement in the outlet without ongoing maintenance or adjustments. Detailed Specifications: Item Name: Fuel Saver / Gas Saving Device Material: ABS Plastic Power Source: Vehicle 12V DC Accessory Outlet Claimed Technology: Magnetic Callback / Resonance Features: Lightweight, Plug-and-Play, Universal Compatibility Approx. Dimensions: 11.0 x 3.0 cm / 4.33" x 1.18" Usage Scenarios: Intended for use in personal vehicles, including cars, trucks, and vans, during daily commuting and highway driving. Suitable for drivers looking for an auxiliary device that claims to support engine efficiency and fuel economy. Can be left plugged into the 12V outlet for continuous operation whenever the vehicle is in use. Trust & Service: Important Consumer Notice: This product is marketed as a fuel-saving accessory. Its effectiveness and the scientific principles behind it are subjects of debate. Individual results may vary significantly based on vehicle condition, driving habits, and maintenance. It is not a substitute for proper vehicle maintenance (e.g., tire pressure, engine tuning, clean filters). For significant fuel economy concerns, consult a qualified automotive professional. This device should not interfere with other vehicle electronics when plugged into a standard 12V outlet. Your purchase is covered by Fruugo’s standard customer policies. Notes: Actual color may slightly differ from product images due to monitor and lighting variations. Minor size differences may occur due to manual measurement. Package Includes: Option 1: 1 x Fuel Saver Device Option 2: 2 x Fuel Saver Devices Option 3: 3 x Fuel Saver Devices