Bike Smart Lock, Waterproof Heavy Duty Bicycle Chain Lock APP Control Bluetooth Smart Wireless High Security Anti Theft Alarm Chain Lock with 105dB Alarm for Bikes Motorcycle Gates (Black)

Using Note: 1. Three AAA batteries, assuming two times of usage in each day, can lasts for about 8 month. 2. When the power is beyond 20%, the red light flashes to remind you of timely charging; beyond 10%, the the lock can't work. 3. Put batteries in, screw the battery cover, plug in the cable and push the lock bottom, the lock is locked after it beeps for 3 times. 4. Download the APP, push the lock button, turn your bluetooth on and search the device, enter your password, and start to set necessary functions. 5. Two unlocking modes, automatic and manual. The former means you just need put smartphone near to the lock, when blue light flashes, and the lock automatically unlocks; when the phone is far from the lock, the lock automatically locks. The later means you need to turn on bluetooth and app for unlocking every time. 6. Once alarm triggered, the cellphone needs to be near to the controlling area with bluetooth and app on for terminating the alarm. 7. Please remember your code, once cellphone changed, the lock and new cellphone need a match, if you forget the code, the lock can't be used anymore. Specification: Material: ABS Plastic & Copper Color Options: Red; Black; Blue Cable Length: 80 cm / 31.49inch Cable Diameter: 1 cm / 0.39inch Weight: approx 311 g Power Supply: 3 * AAA Battery Package Included: 1 * Lock Only

• durability QUALITY: Made of ABS plastic, the bike smart lock is durability and waterproof, and the cable is made of copper, tough and sturdy for security.
• ANTI-THEFT DESIGN: With anti-theft design, this bike lock would 105dB alarm if any try to damage the look, and sound loud enough to make the bad guy give up.
• POWER REMIND: You can check the remaining power on your phones and even if you forget it, the LED red light would flashes to remind you of timely charging.
• compatible with: App control, this lock works well for both iOS and Android system, suitable for most smartphones, and offers automatic & manual unlocking. Perfect for daily use for bike, motorcycle, gates and etc.
• EASY TO USE: This smart lock can keep your bike secure with easy , you don't have to worry about losing the key of your bike, just unlock it with with phone.