Experience superior detection with the STi Magnum Radar Detector. Its sleek black design ensures it blends seamlessly into any vehicle interior while providing top-notch performance. X-band: 10.525 GHz K-band: 24.150 GHz Ka-band: 34.700 GHz Laser: 904nm Corded Electric power source LED Display Voltage: 9 volts Still in great working condition, just upgraded.