VoltGuard ™
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This product is not available on Amazon or eBay. You are purchasing directly from the only authorized seller — which means full warranty, verified authenticity, and dedicated customer support. Beware of counterfeit listings on third-party marketplaces.
How It Works
How It Works
- Mount the sensors: Screw the four external sensors onto your valve stems in minutes — no tire removal, no mechanic needed.
- Power up the display: The solar panel charges automatically in daylight. Plug in via USB for instant power on overcast days or in the garage.
- Drive with confidence: Your LCD monitor shows live pressure and temperature for all four tires. If anything drifts out of range, you get an instant alert before it becomes a problem.
What's Included
What's Included
- 1 × VoltGuard TPMS Display Unit
- 4 × External Wireless Sensors
- 1 × USB Charging Cable
- 1 × Accessory & Installation Tool Set
Shipping & Returns
Shipping & Returns
We offer free shipping for all orders. Once your item/s is dispatched,
the estimated delivery time is:
- USA: 2-9 business days
- UK: 5-13 business days
- Australia: 5-13 business days
- Canada: 2-12 business days
- Europe: 5-13 business days
You have 90 days to return your product for a full refund.
VoltGuard
Every Drive Protected. Every Condition Covered.
Live Wireless Monitoring
VoltGuard tracks pressure and temp on all four tires, within 1.5 PSI of a hand gauge. Catch slow leaks before they cause a blowout.
Dual-Source Power System
A built-in solar panel keeps the unit charged on sunny commutes, while the USB backup takes over when it's cloudy or parked indoors. Your monitoring never goes dark.
IPX7 All-Weather Armor
Rain-soaked highways, frozen parking lots, scorching summer asphalt — VoltGuard's IPX7 waterproof housing operates reliably from -40°C to +85°C without skipping a beat.
Tool-Free Sensor Setup
Attach all four sensors to valve stems in minutes, no tire dismount needed. Replace just one cap if it ever fails, not the full set.
What our 17,000+ Customers say
Based On Real and Honest Experiences
VoltGuard paid for itself on my first highway trip. It alarmed on a pressure drop, I pulled over and found a valve-stem problem on a tire less than a year old. Without VoltGuard I would have lost that tire at speed.
I drove nearly 400 miles and VoltGuard was accurate all the way. All tires started at 35 PSI and I watched the fronts climb to 41 in the mountains, exactly as expected. I have run tire monitors for years and these readings are right on.
I went cheap first, big mistake. Switched to VoltGuard and it has already caught two tire events my old system missed. My only regret is not installing VoltGuard sooner.
Frequently Asked Questions
Will VoltGuard work on my RV or long trailer?
Will VoltGuard work on my RV or long trailer?
Yes. VoltGuard works on any vehicle with standard valve stems, cars, trucks, SUVs, and most RVs. For long trailers where signal can drop, an optional repeater extends range to cover every axle.
How precise are the pressure and temperature readings?
How precise are the pressure and temperature readings?
Very. The sensors deliver ±0.1 bar precision on pressure and ±2°C on temperature — the same accuracy standard used in professional-grade automotive diagnostics.
Will the sensors leak air or fall off during a car wash?
Will the sensors leak air or fall off during a car wash?
No. Sensors screw onto valve stems securely with the included tool and stay on through car washes, highway speeds, and rough roads. In high-theft areas, add locking caps for extra security.
Does it alert me to high tire temperature before a blowout?
Does it alert me to high tire temperature before a blowout?
Yes. Temperature monitoring is a core VoltGuard alarm. As heat builds from underinflation or high-speed driving, the display alerts you before danger levels. You can set your own threshold.
How long before I need to replace the battery?
How long before I need to replace the battery?
The sensors are built to last up to 24 months. Paired with the solar and USB charging on the display unit, you can go years without thinking about power management.
What kinds of alarms does VoltGuard trigger?
What kinds of alarms does VoltGuard trigger?
VoltGuard triggers five alarms: low pressure, high pressure, rapid leak, high temperature, and sensor signal loss. Each appears on the display with an audible alert identifying the tire and issue.
Can I buy replacement sensors separately?
Can I buy replacement sensors separately?
Yes. Individual replacement sensors are sold separately. If one cap fails after a few years, replace just that sensor, not the whole set, for far less than a new system.
Why does the reading look different from my gas station gauge?
Why does the reading look different from my gas station gauge?
Normal and expected. Gas station gauges are often imprecise. VoltGuard reads within 1.5 PSI of a quality digital gauge, and tire pressure naturally rises 3-5 PSI as tires warm up.