my friend ,there are four Item ,please choose what you likeFeatures: when radar signal is dectected. Detect any stable or mobile Radar Speed Monitor 200-800m ahead Detect any Traffic Monitor or stable Camera (around traffic lights) in advance Driving safely and avoiding any Traffic fine Accuracy: more than 90% Monitor or stable Camera ODM & OEM Technology Service for different places and customers English /Russian Voice warning,OEM Language and Voice are available No special Installation and Easy Control Fully nine bands receiver. 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 Specifications: X - band 10.525 GHz ± 100 MHz 1500-2500M K - band 24.150 GHz ± 175 MHz 1200-2500M k - band 24.125 GHz ± 175MHz 250 - 1200M ku - band 13.450 GHz ± 125MHz 450 - 1500M ka - band 34.700 GHz ± 1300MHz 800 1500M ka - band 33.400 GHz ± 1300MHz 200 - 600M Laser Beam 904mn ± 33KMHz VG-2 11.150GHz ± 175MHz Wireless duplex transmission frequency: 2.4GHz ± 410MHz Material: Electronic & ABS Power: DC 12V Voltage: 150/250mA Working Temperature -10°C ~ +40°C Maximum Temperature - 40°C ~ + 100°C Color: Black & Red Size: About 100 x 60 x 35mm(L* W * H) Net weight: 133g Package Includes: 1 x Radar detector unit 1 x Car Charger 1 x Anti-slip silicone pad