specification: 1.Detect any stable or mobile Speed Monitor 200-800m ahead 2.Detect any Traffic Monitor or stable Camera (around traffic lights) in advance 3.Driving safely and avoiding any Traffic fine 4.Accuracy: more than 90% Monitor or stable Camera 5.ODM & OEM Technology Service for different places and customers 6.English /Russian Voice warning,OEM Language and Voice are available 7.No special Installation and Easy Control 8. Fully nine bands receiver. 9 Bands: X-10.525GHZ +/-100MHZ, K-24.150GHZ +/-175MHZ, K-24.125GHZ +/-175MHZ, KU-13.450GHZ +/-125MHZ, Ka-34.700GHZ +/-1300MHZ, Ka-33.400GHZ +/-1300MHZ, Laser Beam-904mn +/-33KMHZ, VG-2-11.150 +/-175MHZ, Wireless Transit: 2.4GHZ +/-410KHZ Features: 100% new and high quality Global positioning satellite Convenient and easy to use Easy mounted interlock Durable and stable for long time use Ultra-slim, elegant, all-in-one speed detector Available for independent installation and use Compatible with any navigator clip Descriptions: 1. Product parameters: Model: V8 Weight: 212g Size: 112mm*66mm*30mm Working voltage: DC 12V-15V Current: 200-300mA Language: English and Russian(Optional) 2. Environment parameters: Working temperature: -25 ~ + 75 Storage temperature: - 20~ + 70 Working humidity: 45%-80%RH Storage humidity: 30%-90%RH Atmospheric pressure: 860Mbar-1060Mbar 3. Frequency: X-Band: 10.525GHz50MHz Tripod K-Band: 24.150GHz100MHz Tripod KU-Band: 13.450GHz100MHz Note:This car detector supports the two languages: English and Russian. Please tell us what language you need.