- Keyless app control: lock and unlock your bike, motorcycle, door, or suitcase with your phone. Compatibility: iPhone 4s and newer; Android 4.3 and above with Bluetooth 4.0 or higher. - 110 dB alarm security: vibration, breakage, and cable clipping can trigger the alarm to deter thieves. Vibration alarm can be enabled in the app, and the alarm activates when the owner’s phone is not connected. - Durable construction: ABS plastic paired with copper and braided steel for long-term use. Braided cable is 0.4 inches in diameter and 31 inches in length, suitable for a wide range of security needs. - Weather resistant: IP55 waterproof grade, suitable for both indoor and outdoor use. Use scenarios - Daily commuting: secure your bike or scooter at the rack with the braided cable, then unlock quickly when you return. - Travel and luggage security: use the cable to secure a suitcase or bag in transit or at the hotel, reducing the risk of tampering. - Home and office protection: lock doors, gates, or cabinets with the app for convenient, keyless access control and added deterrence. Specifications - Cable diameter and length: 0.4 inches (diameter) x 31 inches (length) - Materials: ABS plastic + copper + braided steel - Alarm: 110 dB, triggered by vibration, breakage, or cable clipping - IP rating: IP55 (indoors and outdoors) - Compatibility: iPhone 4s and newer; Android 4.3+ with Bluetooth 4.0+