Features: 1. Unlocking Method: Password or remote control to lock and unlock, no key required for added convenience. 2. 110 Decibel Alarm: The lock triggers an immediate alarm if the steel cable is cut or the lock body screws are removed, providing enhanced security. 3. 4-Digit Password: Offers 256 password combinations; alarm activates after three incorrect password attempts. 4. Multiple Compatibility: One remote control can operate multiple locks or similar remote alarm devices simultaneously; each lock supports up to 8 remote controls. 5. High Performance: IP55 rated waterproof protection, suitable for harsh environments; remote control range of approximately 40 meters. Specification: Item Type: Alarm Cable Lock Material: Stainless Steel + ABS Lock Power Supply: 3 x AAA batteries (not included) Remote Control Power Supply: 1 x built-in CR2032 button battery, 3V 150mAh Lock Body Battery Life: Approximately 3 months in standby mode Remote Control Battery Life: Approximately 3–5 years in standby mode Unlocking Method: Password, Remote Control Remote Control Distance: Approx. 40m/131ft Lock Rope Diameter: Approx. 10mm/0.39in Lock Rope Length: Approx. 80cm/31.5in Steel Cable Diameter: Approx. 6mm/0.24in Steel Cable Length: Approx. 80cm/31.5in Working Temperature: -10°C to +60°C Waterproof Rating: IP55 Alarm Volume: 110dB Package List: 1 x Lock 1 x Remote Control 1 x Screwdriver 1 x Manual