Far Detection Range: With ultra-long-distance superheterodyne technology and ultra-fast scanning circuit, even the fastest device can provide additional detection range and the early warning. Unique Visual Sign: The Speed Detector has super bright LED display and uses powerful servers and complex algorithms to provide accurate threat information, so as to provides unique visual symbols for detected alarms and participation modes. Voice Informer: When you approach , V9 will alert you with a clear voice. The LED display indicates which band is hitting you and shows the signal strength through numbers (1-9). Clear Voice Alarm: The Speed Detector provides clear communication for alarms and menu options, so that the driver can focus on the road. Without special installation, it is easy to be controlled by the instruction manual. And it's a full range receiver. Early Detection: The Speed Detector can detect all stable or moving monitors from the front about 800-1500m/31496.06-59055.12 inch radiation speed Model: V9 Language: Chinese/English/Russian Type: mobile speed detector Voltage: DC 12V Single set of weight: about 164g Distance: about 800m/31496.06 inch Frequency: K-BAND: 24,150ghz 175mhz, detection distance: about 1200-2500m/47244.09-98425.20 inch trfor d K-BAND: 24.125ghz 175mhz, detection distance: about 250-1200m/9842.52-47244.09 inch KA-BAND: 34,700ghz1300mhz, detection distance: about 800-1500m/31496.06-59055.12 inch Trfor d KA-BAND: 33,400ghz1300mhz, detection distance: about 200-600m/7874.02-23622.05 inch Colour:As Shown Material:plastic Package Contents: 1 x Speed Detector 1 x Car Charger 1 x Non-slip Mat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.