COMPATIBILITY:Compatible with FCC ID:OHT-4882056,Each key fob replacement comes with batteries and chips,This key fob is compatible with Dodge RAM 1500 TRX 2019-2021 REPLACEMENT:This Smart keyless entry remote car key fob replacement is compatible with part numbers:68291691AD, 68442909AB 68575604AA，Frequency:433Mhz,Please check your vehicle model,parts Number,FCC ID,Board ID compatibility before orderin HIGH-QUALITY PRODUCTS:Our products use high-quality chips and shells to Maintain the original functionality and stability of the key fob.Each car key fob replacement part is fully tested by a professional locksmith before shipment PROGRAMMING:Uncut car key metal pieces need to be cut by a local locksmith.Key Fob Replacement Self-programming not supported. Please contact a professional locksmith or dealer.NOTE:our products are not OEM and without LOGO WORRY-FREE AFTER-SALES:If you have any questions after receiving the Keyless Entry Remote, please contact us and our customer service will help you solve the problem within 24 hours.If there is any quality problem within 90 days,we will refund or replace it for free Car Keyless Entry Remote fits for Dodge RAM 1500 TRX 2019-2021 key fob Replacement Remote OHT-4882056 433MHz