ITEM NAME:Anti-theft Sound Loud Electronic Security Bike MTB Bicycle Steal Lock Alarm Product Description Description: Features: 1. Adopt micro-computer technique. have High-Middle-Lower sensitivity choose. 2. Quiver trigged, security and sensitivity 3. Low power consumption to allow the battery a long life. 4. Easy to installation and DIY 5. Waterproof: attach permanently to your bike without worrying about having to remove it in bad weather 6. Material: Sturdy plastic - no metal parts to rust 7. Fit for: Bicycle motorcycle 8. Easy to installation and DIY 9. Size: 9.8x3.7x6cm 10. Weight: 50g 11..Anti-theft Sound Loud Electronic Security Bike MTB Bicycle Steal Lock Alarm in Sporting Goods, Cycling, Bicycle Accessories, Locks & Security |