SMART & CONVENIENTBluetooth bike lock,no combos,easy to connect between and the phone over Bluetooth,Apps work for Both iOS and Android (make sure the screws for the battery cover are tightened and pressing lock button before pairing with the phone).Noworry about key lost any more. ALARM & ANTI-THEFTVibration, breakage, disassembly and cable clipping triggers alarm at 110db to deter thieves or burglary (vibration alarm will NOT work when the owner's phone is connected to the device.). Heavy duty cable lock with alarm for bike,electricvehicles,motorcycle,snowboard etc with anti-theft. ROBUST & ANTI-CUTTINGbike lock cable material:combined with rust-protective vinyl increase cut resistance for a long time use. Braided Cable is in length works for mulitple bikes locking, motorcycle wheels,stroller wheels,gate,farms,lawn mowersfences,sportsequipment,tool boxes,or various safety applications et.Perfect bike locks heavy duty anti theft and motorcycle locks heavy duty anti theft. WATERPROOF CERTIFICATEWaterproof rating IP44 (Splash resistant) certified and Operates in temperatures between -14 to 140 Fahrenheit.Waterproof anti theft bike lock with alarm. bluetooth cable lock also can be used as:moutain bicycle Lock,motorcyclealarm system anti theft,e-bike lock,electric scooter locks anti theft,stroller lock anti theft,bicycle alarm,skateboard lock.