The TST 507 Internal Sensors are laser-sealed and water-resistant. These sensors do not have user-replaceable batteries and must be replaced when the batteries are depleted. Internal Sensors are mounted onto the wheel, so the tires must be removed from your RV for installation. The TST 507 internal sensor includes:
* 1 TST 507 Internal Sensor
* 1 Stainless Steel Band
* 2 Screws
* 2 Nuts
* Light, compact, and water-resistant sensors
* Laser-sealed sensors
* 2+ year battery life
* Compatible with the TST 507 TPMS
* Pressure range of 1 to 218 pounds
* 3-year warranty