Features: Sturdy Bike Cable Lock6061 aluminum alloy lock body + PVC rubber sleeve covered stainless steel cable, not easy to be destroyed, strong enough for long time use. Phone APP UnlockingWithout keyhole and no need keys, just connect the bike cable lock with your smartphone, then you can use the phone APP "OKLOK+" to unlock the bike cable lock, safe and easy to use.(Users can download the APP by searching for "OKLOK+" in APP store) Built-in Rechargeable BatteryBuilt-in 850mAh lithium manganese battery, which can be charged via the USB charging port, and supports 365 days standby time after being fully charged. IP66 WaterproofWaterproof level is IP66, you can use the bike cable lock outdoors, don't worry that bad weather will let the bike cable lock be out of work. Wide Applications1M/39.4inch long cable design makes the lock not only suitable for various bikes and motorcycle, but also for gate, garbage can, outdoor furniture, door, etc. Specifications: Material: Aluminum Alloy + Stainless Steel + Rubber Cable Length: 1M/39.4inch BT Version: BT 5.0 Battery Capacity: 850mAh Supported System: iOS 9.0 or above, Android 4.3 or above Waterproof Level: IP66 Working Temperature: -20 to 70 Working Humidity: 5%-95%(without condensation) Item Weight: 350g/ 12.3oz Packing List: 1 * Bike Cable Lock