| Feature | Our Electromagnetic Sensor Combo | Traditional Ultrasonic Sensors | Basic LED-Only Sensors |
|---|---|---|---|
| Alarm Type | Human voice prompts + LED color alerts | Escalating beeps only | LED lights only (no audio) |
| Accuracy | Detects obstacles up to 1.5m away; precise to ±2cm | Detects up to 1m; less accurate in bad weather | Detects up to 0.8m; vague distance cues |
| Weather Resistance | IP67 waterproof; works in rain, snow, dust | IP65 (some models); may fail in heavy rain | IP64 (basic); not dustproof |
| Best For | New drivers, families, truck/SUV owners, city parking | Simple parking needs; budget-focused users | Minimal assistance; experienced drivers |