Specifications: Can be compatible with any navigation. Detect any stable or mobile radars speed monitor ahead. Leading you to drive safely and avoid traffic fine. English/Russian voice warning, languages are switchable. Easy installation and control, available for independently installation and use. Item Name: Radars Speed Detector Material: ABS + Electronic Components Warning Distance: 200-800 Meters OSD Language: English, Russian X -Band: 10.525GHz ± 100MHz 1500-2500M K - Band: 24.150GHz ± 175MHz 1200-2500M K - Band: 24.125GHz ± 175MHz 250-1200M KU - Band: 13.450GHz ± 125MHz 450-1500M KA - Band: 34.700GHz ± 1300MHz 800-1500M KA - Band: 33.400GHz ± 1300MHz 200-600M VG-2: 11.150GHz±175MHz Wireless Duplex Transmission Frequency: 2.4GHz±410MHz Power: 12V Current: 150 - 300mA Size: 95mm x 64mm x 33mm(Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Radars Speed Detector 1 x Car Charger 1 x Non-slip Mat 1 x User Manual