Nice Design for Drivers: Automatically adjusts brightness based on lighting conditions, ensuring clear visibility regardless of weather and other natural factors, allowing you to access the vehicle data you need
Key Functions: This product displays speed, travel time, travel distance, compass, and altitude information, significantly enhancing your driving experience
Dual Alarm Function: Configurable three-level speeding alarm and four-hour fatigue driving reminder ensure safer and more secure travel
Easy to Use: Use it within 5V car cigarette lighter charger. Two installation methods: place it on the center console or hang it on the front windshield, very convenient and quick
Wide Vehicle Compatibility: Works with any car, truck, hybrid, or electric vehicle with USB source. Perfect for older vehicles without built-in digital speedometers
+
+
Overview
Specs
Reviews
Any questions? Our AI beta will help you find out quickly.
Try me now
1
Learn more about the Detailed Specifications
Model
Brand
LOWRANCE
Part Number
G21
Type
Wrist
Details
Accuracy (Velocity)
0.05 meter/sec
System
Protocol
Speedometer*1
Display
Screen Format
LCD
LED Indicator
Speedometer*1
Display Features
Speedometer*1, 100%
Connections
PC InterFace Supported
USB
Other Connections
Speedometer*1
Features
GPS System Features
Speedometer*1, 100%
App & Software
Software Included
Speedometer*1
Dimensions & Weight
Height
3 L x 2 W x 0.7 H inches
Depth
3 L x 2 W x 0.7 H inches
Width
3 L x 2 W x 0.7 H inches
Package Contents
Whats in the Box
Speedometer*1
Additional Information
First Listed on Newegg
May 02, 2026
There are no reviews yet.
Do you own this product?
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.