High-precision, compact, multi-mode vehicle speed measurement device with warning function.

Features: 1. Built-in Chinese, English, and Russian language switching; 2. Real-time vehicle speed measurement with fast speed and high accuracy; 3. Sound signal strength indication with special tone for signal strength and frequency band identification; 4. Multiple alarm modes to choose from: urban/highway silent mode with automatic silent mode switching; 5. Intelligent frequency conversion with strong anti-interference performance; 6. Compact size, does not affect driving, easy installation. Specifications: Main color: Black; Material: ABS; Working voltage: 12V; Measurement range: X-band 10 525GHz ± 150MHz; K-band 24 125GHz ± 175MHz; Ka-band 34 700GHz ± 1300MHz; 35 100GHz ± 1300MHz; Laser 904nm ± 3Hz; Strelka pulse duration: 30ns; Pulse period: 25µs; Product dimensions: 103 * 65 * 28mm / 4 1 * 2 6 * 1 1 inch; Product weight: 77g / 2 7oz; Package list: 1 * Car speed tester