This universal solar internal tire pressure monitoring system (TPMS) works similarly to the Steelmate TPMS system. The kit includes four internal sensors that track air pressure in each tire and warn you via an audible alarm and LCD display when pressure drops significantly (typically 25%) below recommended levels — enhancing safety and fuel efficiency.
Tire life is prolonged by alerting you to low pressure, leaks, or punctures. Two main sensor types are available: internal direct (sensors mounted inside each wheel) and external (sensors installed on the valves). When the warning light illuminates or the alarm sounds, check tire pressure at a service station.
| Operating frequency | 433.92MHz ± 28KHz |
|---|---|
| Operating voltage | 2.0–3.3V |
| Operating current | ≤10mA |
| Static current | ≤1uA |
| Operating temperature | -40°C ~ +125°C |
| Storage temperature | -40°C ~ +125°C |
| Battery lifespan | ≥5 years |
| Weight | 36g ± 1g |
| Battery | CR2050 |
| Operating frequency | 433.92MHz ± 28KHz |
|---|---|
| Operating current | ≤4mA |
| Static current | ≤100μA |
| Operating voltage | 2.6–3.6V |
| Operating temperature | -40°C ~ +85°C |
| Built-in battery capacity | 3.2V / 500mA |
| Weight | 67g ± 1g |
| Solar Display | 1 pc |
|---|---|
| TPMS Sensor | 4 pcs |
| Accessory Bag | 1 pc |
| Manual | 1 pc |
External sensors are available as an option. Battery lifespan is more than 1 year.