The product can detect any stable or moving speed monitor ahead, detect traffic monitors or stabilized cameras (near traffic lights) in advance, and then guide you to drive safely and avoid traffic jams. The detector provides English/Russian(dual language switching) voice alert, and it can be installed conveniently, controlled easily, and used independently. Made of the premium ABS material, the product is durable, sturdy, and portable. The length of the product is 9.4cm, the width is 6.4cm, and the height is 3.3cm. It is applicable for DC 12V cars. Item Name: Speed Radar Detector Material: ABS Operating Voltage: DC 12V Working Current: 1000mA Detection Angle: 360 Degrees Warning Distance: 200m-800m Detection Frequency: Full Frequency Detection Voice Alert: English/Russian(Dual Languages Switching) Size Details: Size: 9.4cm x 6.4cm x 3.3cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x V7 Speed Detector 1 x Car Charger 1 x Anti-slip Pad 1 x User Manual