Feature: 1. Adopt advanced chipset, 0‑6.6ft wide sensor detection range, more sensitive for detecting. 2. The parking radar system can effectively improve the safety of reversing, prevent dangerous and costly collisions. 3. High grade sensor, sand‑proof, dust‑proof, waterproof and frost‑proof, maintain good performance even in harsh environments. 4. Easy to install and operate, comes with a complete and detailed English manual, which can bring much convenience for you. 5. Enhance safety for passengers, pedestrians and family members who happen to be around the moving car. Specification: Condition: 100% Brand New Item Type: Reverse Radar Kit Material: ABS Color: As picture shown Current: ＜200mA Input Power: 12V DC Working Temperature: -30 - + 70℃ Voice Alarm: > 80dB Ultrasonic Frequency: 40 Khz Sensor Detection Range: Approx. 0 - 2.0M/0-6.6ft Diameter of Sensor: Approx. 22mm/0.9in. Package List: 1 x Buzzer 1 x Radar Host 4 x Probes 1 x Drill Bit 1 x Power Cord 1 x English Manual 2 x Stickers Note: New and old models of this product will be shipped randomly.