Feature Highlights: 1. 2-in-1 Design: Light & Lock Combined – It’s a light and a lock in one. The lock is neatly hidden inside the body, creating a clean, integrated look that reduces the gear you need to carry and keeps your bike looking tidy. 2. Bluetooth Password Pairing – Securely pair your device via Bluetooth with one-to-one password matching. Once bound, it stays reliably connected. 3. Smart Auto-Unlock – Approach your bike and unlock automatically without any hassle. Makes every ride more convenient and intelligent. 4. IPX6 Waterproof & Dimmable Light – Built to withstand rain and splashes. The tail light offers 5 to 8 brightness levels, so you can adjust it based on your needs. 5. Easy Installation & Universal Fit – Mounts easily on the seatpost. Made from durable aluminum alloy, it’s both sturdy and lightweight. Product Details: This innovative bicycle tail light integrates a hidden lock within its body, giving you safety and visibility in one sleek unit. Through Bluetooth password pairing, it securely links to your device for smart, automatic unlocking when you’re near. The IPX6 waterproof rating ensures reliability in all weather conditions, and the adjustable brightness lets you choose the right light level for your ride. Easy to install on the seatpost, it’s built from tough aluminum alloy and designed to simplify your cycling experience. Specifications: - Type: Tail Light with Integrated Lock - Model: 24720007001 - Power: Battery Powered - Waterproof Rating: IPX6 - Dimmer: 5–8 Levels - Mounting Position: Seatpost - Material: Aluminum Alloy - Color: As Shown Package Includes: 1 × Bicycle Tail Light with Lock Note: Slight color variations may occur due to lighting and screen differences. Measurements may have a tolerance of +/- 1–3 cm.