Compatibility:fit for 2014-2020 Jeep Grand Cherokee SUV, ensuring full compatibility with the vehicle's smart system. FCC ID: M3N-40821302 / M3N40821302, compliant with radio communication standards for safe and legal use.` Key Specifications:Frequency: 433MHz, providing stable signal strength and a broad remote control range.Chip Type: 46 chip with advanced encryption to prevent signal interference and unauthorized use.Button Configuration: 4+1 buttons, supporting functions such as start, lock, unlock, trunk release, and red panic button. Quality and Durability:High-strength material casing, waterproof and shock-resistant, suitable for daily use and durability.Ergonomically designed buttons for comfortable handling and smooth operation. Functional Features:Long remote control range with strong signal, ensuring stable connection even at a distance.Built-in encrypted chip to prevent unauthorized unlocking, enhancing vehicle security.Equipped with a red panic button, which triggers the vehicle alarm in case of an emergency, enhancing safety. Purchase Notes:Please confirm your vehicle model and FCC ID before purchase to ensure compatibility.If you have any questions regarding compatibility, please contact our customer support for assistance.