BARELY USED!  MAGNETIC BOTTOM!

Features:
-Measure acceleration (0-100kmh, 100-200kmh, 1/4 mile and more) 
-Measuring braking time (100-0kmh, 200-0kmh and much more) 
-Lap Time (available soon) 
-G-force measurement 
-Highscore list sorted by manufacturer 
-Video Drag and Drop 
-Profile (garage, profile picture and much more)

What you get:
1 - Dragy GPS Based Performance Meter
1 - Micro USB Charging Cable

Technical data:
-iOS (8.0) or Android (4.4) device required 
-Metric unit system (km / h) supported 
-Connection type: Bluetooth 4.0 
-Supports GPS and GLONASS 
-Battery life: up to 10 hours 
-Dimensions: 30 x 80 x 15mm