| More detailed feature of reversing sensor as below: 1. Flat mult-colored LED display. Easily installation 2. Left & right LED waves to show distances in 7 stages. 3. Digital meter to indicate actual distance 4. Buzzer built-in, 4 stages alarm sounds from 1.5m to 0.3m 5. 2 or 4 ultrasonic sensors are available 6. Anti-freezing, waterproof, work well under very cold weather. All the above 6 features make it assist To reverse your car or bus accuratly. 7. Voltage: 10.5~ 16V DC; Current: 10mA~100mA 8. Detection distance: 150~30 cm 9. Ultrasonic frequency: 40KHz 10. Working temperature: -20~ +80C |
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