1. The electronic key can be authorized remotely, easy to use 2. Real-time control of unlocking records, humanized intelligent background management 3. The lock body adopts dustproof and waterproof rubber sleeve to prevent rain from any angle 4. Adopt large-capacity disposable lithium/manganese dioxide battery, working temperature can reach -40-80 degrees Celsius, can be used normally for nearly 4 years 5. With intelligent buzzer alarm function 6. The lock beam is made of alloy steel, which is firm and wear-resistant 7. Magnetic automatic induction, it can be automatically locked when plugged in 8. Battery capacity: 1500mAh 9. Locking space: 141x112mm 10. Size: 208x201x38mm 11. Scope of application: bicycles, electric vehicles, shop doors, etc.