http://www.amazon.com/Escort-Passport-8500X50-Detector-Display/d…
~~Key Features
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, 33 MHz Bandwidth
Radar Receiver / Detector Type: Superheterodyne, Varactor-Tuned VCO, Scanning Frequency Discriminator, Digital Signal Processing (DSP)
Laser Detection: Quantum Limited Video Receiver, Multiple Laser Sensor Diodes
Display Type: 280 LED Matrix/Text, Bar Graph, ExpertMeter, SpecDisplay, Three-Level Dimming, plus Dark Mode
Power Requirement: 12VDC, Negative Ground, Escort SmartCord Included
Compact Size: 1.25 H x 2.85 W x 5.32 L (inches)
Sensitivity Control: Highway, Auto and City
Programmable Features: Power-On Indication, Power-On Sequence, Signal Strength Meter, AutoMute, Audio Tones, City Mode Sensitivity, Display Brightness, Dark Mode, Radar / Laser Bands
Auto Calibration Circuitry
Mute, AutoMute and SmartMute