Welcome to our store！</br>1、Designed with 115dB alarm function, effectively frighten the thefts can use both indoors and outdoors. 2、Low consumption and long standby time. 3、Anti cutting,anti disassembling,removing alarm,vibration alarm. Perfect for all bikes,motorcycles,door etc. 4、Works for iOS and Android system, just lock and unlock your bike or motorcycle with your phone (for Android 6.0 and for IOS7.0 above systems). 5、Made of ABS plastic and high dense copper, it's durable and waterproof, strong anti‑theft high quality material. <div class="wang-edit-text"><span style="font-size: 16px; font-family: Arial;">Features:</span> <ul> <li> <span style="font-size:16px;font-family:Arial;">Made of ABS plastic and high dense copper, it's durable and waterproof, strong anti-theft high quality material.&nbsp;</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Designed with 115dB alarm function, effectively frighten the thefts can use both indoors and outdoors.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Anti cutting, anti disassembling,removing alarm, vibration alarm. Perfect for all bikes, motorcycles, door etc.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Low consumption and long standby time. 3 "AAA" batteries are required which last for 8 months use (based on every day open twice). Low battery indicator in the app will warn you low battery when power is less than 20%.&nbsp;</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Works for iOS and Android system, just lock and unlock your bike or motorcycle with your phone (for Android 6.0 and for IOS7.0 above systems).</span> </li> </ul> <span style="font-size: 16px; font-family: Arial;">Specifications:</span> <span style="font-size: 16px; font-family: Arial;">Material: ABS plastics + manganese steel + copper + stainless steel</span> <span style="font-size: 16px; font-family: Arial;">Color: Red</span> <span style="font-size: 16px; font-family: Arial;">Alarm Type: Acousto-optic Alarm</span> <span style="font-size: 16px; font-family: Arial;">Alarm sound: up to 115dB</span> <span style="font-size: 16px; font-family: Arial;">Power supply: 3 AAA batteries (tax free) (Not Included)</span> <span style="font-size: 16px; font-family: Arial;">Applicable Temperature: -10~60 ℃</span> <span style="font-size: 16px; font-family: Arial;">Size: Approx.9.2 * 5.5 * 3.4 cm/3.6*2.2*1.3in</span> <span style="font-size: 16px; font-family: Arial;">Package Weight: 792g/27.9oz</span> <span style="font-size: 16px; font-family: Arial;">Package List:</span> <span style="font-size: 16px; font-family: Arial;">1 * Smart Bluetooth Bicycle Lock (Batteries Not Included) 1 * User Manual 1 * Screwdriver</span> <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style></div> 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>