H1 Use Cases
Merchant Video
Keep your eyes on the road, not the dashboard
H1 focuses on one thing—displaying your speed clearly and reliably, helping you stay safe on the road
Powered by USB(5V) · No OBD · No Setup
Tips: Clean the dashboard and windshield before installation to ensure proper adhesion
Product List
Why is the speed sometimes inaccurate or 1–2 MPH off?
GPS speed may briefly fluctuate in tunnels, underground garages, or areas with weak satellite signals.
The H1 also supports manual speed calibration to fine-tune accuracy if needed.
Can I switch between MPH and KMH?
Yes. The H1 model supports switching between MPH and KMH.
You can change the unit in the settings menu by following the steps in the user manual.
Can I adjust the brightness manually?
Yes. The H1 features automatic brightness adjustment, which adapts to ambient light conditions.
You can also manually adjust brightness levels in the settings to ensure comfortable visibility at night.
Does it have a speed warning or alarm?
Yes. You can set a custom overspeed alarm.
When your speed exceeds the preset limit, the device will alert you to help promote safer driving.
Does the display show direction?
Yes. The H1 includes a compass function that displays driving direction (N / S / E / W).
H1 Use Cases
Merchant Video
Keep your eyes on the road, not the dashboard
H1 focuses on one thing—displaying your speed clearly and reliably, helping you stay safe on the road
Powered by USB(5V) · No OBD · No Setup
Tips: Clean the dashboard and windshield before installation to ensure proper adhesion
Product List
Why is the speed sometimes inaccurate or 1–2 MPH off?
GPS speed may briefly fluctuate in tunnels, underground garages, or areas with weak satellite signals.
The H1 also supports manual speed calibration to fine-tune accuracy if needed.
Can I switch between MPH and KMH?
Yes. The H1 model supports switching between MPH and KMH.
You can change the unit in the settings menu by following the steps in the user manual.
Can I adjust the brightness manually?
Yes. The H1 features automatic brightness adjustment, which adapts to ambient light conditions.
You can also manually adjust brightness levels in the settings to ensure comfortable visibility at night.
Does it have a speed warning or alarm?
Yes. You can set a custom overspeed alarm.
When your speed exceeds the preset limit, the device will alert you to help promote safer driving.
Does the display show direction?
Yes. The H1 includes a compass function that displays driving direction (N / S / E / W).