Features:
Two versions: English version / Russian version.
Easy installation and control, Can be installed and used independently.
Can be compatible with any navigation.
Leading you to drive safely and avoid traffic fine.
Detection distance: 300 - 800M
UP:volume will be increased pressing this button
M:exchange of city mode and highway mode
DN:volume will be reduce pressing this button
Specifications:
Voltage: DC 12V 
Model: V7
Material: Plastic
OSD Language: English, Russian
Apply To Car Brand: Universal
Special Features: LED display
Item Type: Alarm system and security
Product size:10*6*3cm/3.9*2.4*1.2in
Package Size: Approx. 14.5 * 8.5 * 8.5cm / 5.7 * 3.3* 3.3in
Package Weight: Approx. 181g / 6.4oz
Package List:
1*V7 Car Speed Detector
1*Car Charger
1*Anti-slip Mat
1*User Manual