As a rough guide, we often propose the following. It's also fine to set priorities based on your car and its theft risk, then add measures in stages.

• Up to ~¥100,000s: a basic defense built around a start-prevention type
• Around ¥200,000: a two-stage plan such as "won't-open" measures plus an alarm
• ¥300,000 and up: a comprehensive plan including high-sensitivity sensors and higher-end models

The contents vary by model, equipment, and your wishes. Tell us your budget and we'll propose the most effective combination within it. An accurate quote is provided after confirming the model.