AlterLock (Anti-theft Bolt) | Anti-theft Alarm GPS Tracking Device Gen2 | Bicycle Road Bike Loud 95dB Smartphone Notification Tracking GPS Positioning Wi-Fi Positioning Lightweight Long-lasting Waterproof Dustproof IP66 Mounts to Bottle Cage Base Security Anti-theft Measures (Anti-theft Bolt) Purchased in 2021, used only a few times and stored indoors, so the condition is relatively good. ★Important★ We do not accept price negotiations via comments. Please use the price suggestion feature. Please be aware that those who do not read the product description may be blocked. Instant purchase OK, no need to comment before purchase. ■Shipping Method ・In principle, we only handle anonymous shipping. ・Yu-Yu Mercari Delivery and Rakuraku Mercari Delivery may be changed without notice. ・We use recycled packaging materials. ■Dedicated Listings Dedicated listings are prohibited under Mercari's Terms of Service Article 9, Paragraph 5, so we decline them. "5. Listings Intended for Sale to Specific Users Users may not list items with the intention of selling them only to other specific users." ■Other ・Non-smoker. I do not have any pets.