The product allows for easy installation and operation. It can detect speed monitoring devices, traffic monitors, and fixed cameras (near traffic lights) in advance, helping guide safe driving and avoid traffic congestion. Made of premium ABS material, the product is durable and portable. It features an English voice alert with dual language switching capability. The device measures 9.9 cm in length, 6.2 cm in width, and 3.3 cm in height. Designed for use in DC 12V vehicles. Item Name: Speed Radar Detector Material: ABS Operating Voltage: DC 12V Working Current: 1000mA Languages: English (Dual Languages Switching) Frequency Range: X-band: 10.525 GHz 25 MHz / K-band: 24.150 GHz 100 MHz / KA-band: 34.700 GHz 1300 MHz / KU-band: 13.400 GHz 25 MHz Detection Angle: 360 Degrees Warning Distance: 200m - 800m Detection Frequency: Full Frequency Detection Size Details: Size: 9.9cm x 6.2cm x 3.3cm / 3.9" x 2.44" x 1.3" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Please allow slight variations in dimensions due to manual measurement. Package Includes: 1 x Speed Detector 1 x Power Cord 1 x Anti-slip Pad 1 x User Manual