This features a for a 360 degree detection and easy to install. It can detect any stable or mobile . When you detect at a position, the will tell you by making a sound to show you are approaching detection device, could confirm the your on the stretch of road. Features - Color: Black. - Material: ABS. - Size: 10 x 6.2 x 3 cm. - power: 150W-200W. - Input voltage: DC 12V. - Electric current: 150 - 300mA. - Working temperature: 25º. - The temperature: 100º. - Transmission frequency: 2.4GHz±410MHz. - When you detect a position, the will tell you by making a sound to remind you are that it is approaching excessive speed. - This can detect any stable or mobile sensitively. - This relatively not only for detection at all, it is also used to keep you informed of highway safety. - Relative sensing auto mute system virtually eliminates false alerts. Package list: 1 x with 360 Degree Detection and for Cars(Russian Edition)