About This

• 🔊 Anti-theft Bike Lock Alarm – The built-in 110dB siren triggers automatically when it detects motion, emitting a piercing sound to scare off thieves and alert people nearby. Use the remote control to arm or disarm the alarm. The physical lock always requires a key, LEYMENCOJ gives you both electronic alert and mechanical security.
• 🔗 Heavy Duty Chain & Anti-Drill Lock Head – The 8mm thick chain is made of hardened manganese steel, resisting bolt cutters and hacksaws. Unlike ordinary locks, the zinc-alloy lock head is specifically designed to resist drilling and prying. This dual-layer protection stops both cutting and drilling attacks.
• ⚙️ Smart Settings for Use – Stop worrying about false alarms. Choose from 2 sensitivity levels and 3 volume settings to match your environment – low sensitivity for crowded bike racks, high for overnight parking.
• 🌧️ Waterproof Design & Long Battery Life – Rated IP65 waterproof, the lock works perfectly in rain, snow, or mud. The canvas sleeve protects your bike frame from scratches. Plus, the built-in rechargeable battery provides extended use – a full charge can last 2 months depending on alarm settings and usage.
• 📦 Package Includes – Comes with 2 remote controls, 3 spare keys, a silicone cover, a storage bag, and a USB-C charging cable. Use it for bicycles, e-scooters, motorcycles, gates, ladders, toolboxes – anywhere you need reliable security.

Overview

• Brand : LEYMENCOJ
• Special Feature : Bike Chain Lock with 110dB Alarm
• Lock Type : Chain Lock
• Item dimensions L x W x H : 8.66 x 4.2 x 1.57 inches
• Material : Metal