KeylessOption Just the Case Keyless Entry Remote Key Fob Shell Button Pad Cover For Mazda Just the case no electronics or circuit board are included Compatible with KPU41805, KPU41848, KPU41701, KPU41015 KPU41048 KPU41777 Easy installation which does not require reprogramming Constructed with high quality materials for long lasting durability This is a replacement part to match the original in form and function