Dhiedas Fingerprint Bike Chain Lock — Black, 3.28 ft Stainless Steel Chain, Biometric & Bluetooth Keyless Security

Dhiedas Fingerprint Bike Chain Lock is a 3-in-1 keyless security solution combining fingerprint, Bluetooth app and Apple Watch unlocking with a 3.28 ft stainless steel chain and water‑resistant cover.

This smart chain lock pairs biometric fast-unlock convenience with app-based sharing and solid physical protection. Designed for bikes, eBikes, scooters and a variety of outdoor gear, the lock blends a trusted steel chain core with a protective nylon sleeve, USB charging and multi-user control via the eSmartLock app. It supports one administrator plus up to 500 app users and stores up to 20 biometric profiles for quick access.

How quickly and reliably will the fingerprint reader unlock my bike?

The fingerprint sensor is tuned for rapid recognition and opens the lock in about 0.2 seconds after a valid scan. You can enroll up to 20 fingerprints in the eSmartLock app, and the administrator can manage or delete profiles remotely.

• 0.2s typical fingerprint unlock speed
• Up to 20 stored fingerprint profiles
• Fingerprint enrollment and management through eSmartLock
• Backup unlocking via Bluetooth app or Apple Watch

Can I share access with family or friends without giving a physical key?

Yes — the Bluetooth-enabled app allows the main administrator to grant temporary or permanent access to others. The system supports one admin account and up to 500 app users, and it logs unlock history for accountability.

• Remote authorization through the eSmartLock phone app
• Support for 1 administrator and up to 500 authorized app users
• Viewable unlock history for each authorized user
• Apple Watch unlocking where supported

Is this chain lock weatherproof and suitable for outdoor use?

The chain is wrapped in a thickened nylon sleeve with reflective accents to resist scratches and improve visibility. Internal components are weather-resistant for routine outdoor use, though long-term immersion or extreme exposure can affect battery life and electronics.

• Stainless steel chain for physical strength
• Thick nylon cover with reflective design for protection and visibility
• USB rechargeable battery; avoid prolonged immersion in water
• Designed for outdoor use but not continuous submersion

What sizes, shapes and gear can this lock secure?

The 3.28 ft (approximately 3.3 ft) chain and 1/5" thickness make it versatile for locking bicycles, scooters and a range of household or recreational items. Its length and flexibility are ideal for securing through wheels, frames, gates, or fixed anchor points.

• 3.28 ft chain length fits gates, double doors and bikes
• 1/5" chain thickness resists casual cutting or bending
• Suitable for eBikes, scooters, strollers, fences, skis and snowboards
• Also useful for doors, wardrobes and appliances like refrigerators

Who is this for? Dhiedas Fingerprint Bike Chain Lock is aimed at riders and owners who want fast biometric access plus the flexibility of app-based sharing without carrying keys. It suits commuters, families, shared-vehicle households and outdoor enthusiasts who need a portable, rechargeable locking solution that balances convenient tech features with a physical steel chain deterrent.