The Bartec USA Rite-Sensor is a programmable, single part, multi-frequency, replacement TPMS sensor. According to Bartec, a single part (or SKU) solution helps reduce inventory costs and eliminate confusion with technicians. The Rite-Sensor is programmable, allowing a technician to simply use a Bartec Tech400SD, Tech500, Tech300Pro, Tech400Pro, or Tech1000 to configure the sensor based on vehicle make, model, and year. The boxed Rite-Sensors include both valve options. It comes with the rubber valve stem already installed and the aluminum valve stem comes in the box.