The MX-Sensor 1-Sensor Bulk Box has 20 individually bagged, programmable universal TPMS sensors. The 1-Sensor features a combined frequency of 315MHz and 433MHz with rubber valve stems. The press release button allows for rubber or metal valve stems to be replaced interchangeably. The 1-Sensor is reprogrammable, 98% compatible with OE sensors, and meets SAE standards J1205 and J1206. Bulk Box of (20) Individually Bagged 1-Sensors with Rubber Press-in Valve. Combined Frequency: 315MHz & 433MHz. Programmable with Autel TPMS Service Tools. Exclusive Press Release Button to Easily Replace Valve Stems. Program to Replace 98% of OE Sensors. Compatible with Autel Interchangeable Rubber, Aluminum or Color Metal Valve Stems. Meets SAE Standards J1205 & J1206. Maximum Signal Strength / Battery Reliability. Visit or Call your local Automotive retailer or Dealership to make sure this item fits your vehicle.