free speedometer voice alert

Why this app?
This app is to help observing the travelling speed. It is a combination of GPS speedometer, speed alert, speed test plotting , talking clock and counting device.*This app can plot your speed every second.It also has fixed 5s/10s/30s and variable time plots to record the rev-up speed during the interval.The auto save mode allow you to save the driving plots for later speed review.
*Plot functions are not enabled in this FREE version.

Handset must have GPS feature (aka Location Service). Internet connection or data connection is not required.

The first two photo examples show the speed of the train from UK to Paris recorded by this app.

Summary to use:-
Turn on the GPS receiver of handset.Wait for GPS signal until GPS clock is shown.
Manually set the speed limit to activate the voice alert.
Adjust volume to suit hearing.
Quick voice-mute switch over button.

Features:-
1. Live plots of driving speed every second.( not enabled in FREE version)
2. Voice alert when exceeding the preset speed limit
3. Various speed range and selection of km/h, m/s,mph and knots
4. Set interval of voice announcement between 2 ~ 12 seconds
5. Display and announce speed in real time
6. Register and announce top speed.
7. Indicate the number of satellites detected and position accuracy.
8. Compare handset time with GPS's.
9. Talking clock to announce local time.
10. Use as a counting machine with voice.
11. Touch screen button to adjust volume.
12 Lat / Long / Alt/ indications.
13 Two-hour lap counter
14 GPS signal loss alert.
15. Save live plots in handset.( not enabled in FREE version)
16 Help manual