Welcome to our store！</br>1、APP Bluetooth control: APP is easy to control and can lock or unlock bicycles or motorcycles through mobile APP (support for Android 4.3, for iPhone 4S or above, for Bluetooth 4.0 version). 2、Alarm voice: more than 110 decibels, effective deterrent thieves, remind the owner. 3、Waterproof function: IP44 certification, can withstand all kinds of environmental tests. 4、Vibration function: alarm for 30 seconds when shaking or moving the lock. 5、Strong and durable: made of ABS plastic + steel wire rope, strong anti-theft performance, high quality material. <span style="font-size:16px;font-family:Arial;">This product is Bluetooth chain intelligent lock, with anti-cutting, anti-disassembly, disassembly alarm, vibration alarm and other functions. You can lock or unlock your bicycle or motorcycle with a mobile phone application.</span> <span style="font-size:16px;font-family:Arial;color:#009900;"><strong>Features:</strong></span> <ol> <li> <span style="font-size:16px;font-family:Arial;">Strong and durable: made of ABS plastic + steel wire rope, strong anti-theft performance, high quality material.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Anti-shearing function: Always give an alarm when cutting the steel rope</span><span style="font-size:16px;font-family:Arial;">.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Anti-disassembly function: Always give an alarm when the screw is disassembled</span><span style="font-size:16px;font-family:Arial;">.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Vibration function: alarm for 30 seconds when shaking or moving the lock.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Waterproof function: IP44 certification, can withstand all kinds of environmental tests</span><span style="font-size:16px;font-family:Arial;">.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Alarm voice: more than 110 decibels, effective deterrent thieves, remind the owner.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">APP Bluetooth control:&nbsp; APP is easy to control and can lock or unlock bicycles or motorcycles through mobile APP (support for Android 4.3, for iPhone 4S or above, for Bluetooth 4.0 version).</span> </li> </ol> <span style="font-size:16px;font-family:Arial;color:#009900;"><strong>Specifications:</strong></span> <span style="font-size:16px;font-family:Arial;">Material: ABS Plastic + Copper + Steel Cable</span> <span style="font-size:16px;font-family:Arial;">Power supply: 3pcs AAA batteries</span> <span style="font-size:16px;font-family:Arial;">Length: 80cm&nbsp;</span> <span style="font-size:16px;font-family:Arial;">Operating temperature: - 10 ~60</span><span style="font-size:16px;font-family:Arial;">℃</span> <span style="font-size:16px;font-family:Arial;">Storage temperature: - 20 ~80&nbsp;</span><span style="font-size:16px;font-family:Arial;">℃</span> <span style="font-size:16px;font-family:Arial;">Size: 9.2*5.5*3.4cm/3.6*2.1*1.3in&nbsp;</span> <span style="font-size:16px;font-family:Arial;">Package Weight: 301g/10.6oz</span> <span style="font-size:16px;font-family:Arial;color:#009900;"><strong>Package List:</strong></span> <span style="font-size:16px;font-family:Arial;">1 * Bluetooth Lock</span> <span style="font-size:16px;font-family:Arial;">1 * Installation Kit</span> Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>