Features: Remote unlocking, explosion-proof, mechanical unlocking. Innovative unlocking and locking ensure sound. Easy installation without plug. Beautiful appearance and arc design, the lock body is relatively thin. Specifications: - - Material: Stainless steel. Color: Silver. Unlocking mode: Remote control unlocking and unlocking. Remote control features: The system and the remote control for joint use, only the remote control with the correct codes can unlock, each lock can respond to multiple remote controls. Anti-theft protection: Anti-technical opening, anti-master key unlocking, anti-card unlocking, anti-force damage. Password level: Encrypted digital signal, cannot be decrypted. Remote control range: 0-10 m. Number of locks: 300,000. Power supply: 4 AA batteries (not included), remote control power supply. Battery life: Approx. 1 year. Unlocking current: 120 mA. Ambient temperature: -20 to 70°C, humidity: 25 to 80%. Product dimensions: as shown. Package weight: approx. 980g.