• Material: ABS
• IPX4 Waterproof
• Battery: replaceable CR2025 battery
• Works with iOS & Android dual system

Advantage:

• Dual System Compatibility, Covering Global Cyclists：Compatible with both iOS and Android systems, no dedicated APP required. Covers 99% of global smartphone users, works seamlessly no matter what phone you use, no device threshold, for a much broader market reach.
• Hidden Installation, Anti-Theft & Tamper-Proof：It can be hidden installed inside the bike frame, completely invisible from the outside. Thieves will never notice the tracker, so they won't remove it on purpose. Even if the bike is stolen, thieves can't find this tracker, you can easily get your bike back via positioning, the recovery rate is far higher than ordinary exposed anti-loss trackers.
• Replaceable CR2025 Battery, No Charging Hassle：Adopts replaceable CR2025 button battery, no charging needed, you can replace it anytime when it runs out. One replacement supports 12 months of ultra-long use, completely eliminating charging anxiety, with low maintenance cost, and this battery is universal and easy to buy globally.
• Fully Invisible, No Damage to Original Bike Look：Hidden installed inside the frame, it won't damage the original look of your bike at all, won't ruin your beloved bike's appearance, perfectly fitting high-end cycling users who care about their bike's look.