STi Driver Detector Specifications Operating Bands X-band: 10.525 GHz ± 25 MHz K-band: 24.150 GHz ± 100 MHz Ka-band: 34.700 GHz ± 1300 MHz Laser: 904nm ± 33nm Radar Receiver/Detector Type Dual LNA Microwave Receiver Superheterodyne, Varactor Tuned VCO Scanning Frequency Discriminator Digital Signal Processing (DSP) Laser Detection Quantum Limited Video Receiver 5 Optical Laser Sensors Display Type 280 LED Alphanumeric Bar Graph, Threat Display™, Tech Display™ Automatic plus 4 levels of fixed brightness including full Dark Power Requirement 12VDC, Negative Ground Coiled SmartPlug™ with Mute Button Direct wire SmartPlug™ with Mute Button Programmable Features Display Power-On Indication Alert Lamp Voice Alerts Power-On Sequence Signal Strength Meter AutoMute Brightness Bands Sensitivity Control Highway AutoScan™ City / City NoX Additional Patented Technology Auto Calibration Circuitry Mute / AutoMute / SmartMute TotalShield™ Technology One Year Limited Warranty 2 year extended service plan available Dimensions (Inches) 1.25H x 2.75W x 4.75L