?LONGEVITY?3 "AAA" batteries are required which lasts for 5 months use (Opened twice, daily). Low battery indicator in the app will warn you low battery when power is less than 20%. ?WATERPROOF CERTIFICATE?Waterproof rating IP44 (Splash resistant) certified and Operates in temperatures between -14 to 140 Fahrenheit.Waterproof anti theft bike lock with alarm. Nulock bluetooth cable lock also can be used as:moutain bicycle Lock,motorcycle alarm system anti theft,e-bike lock,electric scooter locks anti theft,stroller lock anti theft,bicycle alarm,skateboard lock. ?ROBUST & ANTI-CUTTING?Nulock bike lock cable material:7 braided steel (each is made of 19 braided steel) combined with rust-protective vinyl increase cut resistance for a long time use. Braided Cable is 0.4" in diameter and 47" in length works for mulitple bikes locking, motorcycle wheels,stroller wheels,gate,farms,lawn mowersfences,sports equipment,tool boxes,or various safety applications et.Perfect bike locks heavy duty anti theft and motorcycle locks heavy duty anti theft. ?ALARM & ANTI-THEFT?Vibration, 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,electric vehicles,motorcycle,snowboard etc with anti-theft. ?SMART & CONVENIENT?Bluetooth bike lock,no combos,easy to connect between Nulock 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).No worry about key lost any more. If you bought our old version a couple of years ago with Nulock app, please download the SLBLOCK app to your new phone.

Number Of Pieces: 1, 2. Color: Black. Material: Vinyl, Alloy Steel. Special Feature: Heavy Duty,Anti-theft,Anti Theft. Brand: NUNET. Date First Available: August 15, 2016. Best Sellers Rank: #89,446 in Sports & Outdoors. Customer Reviews: 4.1 out of 5 stars 315 ratings 4.1 out of 5 stars. : B06XCZCRCM. Average Battery Life: ?5 months. Battery Cell Type: ?Alkaline. Batteries Required?: ?No. Batteries Included?: ?No. Special Features: ?Heavy Duty,Anti-theft,Anti Theft. Item Package Quantity: ?1. Size: ?47 Inch Braided Steel. Is Discontinued By Manufacturer: ?No. Batteries: ?3 AAA batteries required. Item model number: ?SG_B06XCZCRCM_US. Package Dimensions: ?8.58 x 5.35 x 1.73 inches. Item Weight: ?14.4 ounces. Part Number: ?nunet-BL002. Manufacturer: ?Nuvending. Control Method: ?App. Shape: ?Rectangular. Controller Type: ?iOS, Android. Number Of Pieces: ?1, 2. Color: ?Black. Material: ?Vinyl, Alloy Steel. Special Feature: ?Heavy Duty,Anti-theft,Anti Theft. Brand: ?NUNET.