Biometric Fingerprint Shackle Lock. Battery Life: 2200 openings on a full charge; at least 150 openings on low charge. Emergency Unlocking: in case of low battery or malfunction unlock with key or use Micro USB and portable charger for temporary charge. A truly advanced product of innovation + engineering.

• 0.5 second unlocking
• Store up to 20 fingerprints
• Integrated silicon overmoulded design
• High Security Abloy Keys with 2000 unique key combinations
• Emergency Micro USB charge
• Emergency manual key unlock
• Light weight Alloy Shackle with silicon overmoulding 
• Opens up to 2200 times on a full charge
• Rainproof 
• iF Design Award 2018
• Shackle Dimensions (inner): 74mm x 128mm or 2.9in x 5in
• Fingerprint identification: Compliance with ANSI / INCIT 378 and ISO/IEC 19794-2
• Battery: Lithium polymer rechargeable 420mAh 3.7V
• This product is rainproof, though severe weather may damage the product; use with caution.
• Operating temperature: -20°C ~ 45°C / -4°F ~ 113°F
• Shackle: 14mm lightweight aluminum shackle
• Weight: 566g. / 1.24lbs (lock only)
• Emergency Unlocking: in case of low battery or malfunction, use Micro USB and portable charger for temporary charge