aterial: ABS plastic+copper+chain Size: 92*55*34mm Power: 3 *AAA alkaline batteries(Not included) Chain) length: 80cm Color: Black Working temperature: -10℃~+60℃ Storage temperature: -20℃~+80℃ Product weight: 720g(Chain)

Product Features

• CONVENIENCE: Keyless, quick and easy control with APP, you can lock and unlock your bike, motorcycle, door or suitcase with your phone(iPhone 4s and above – Android 4.3 with Bluetooth 4.0 above).
• ALARM: Vibration, breakage, disassembly and chain clipping triggers alarm at 110db to deter thieves or burglary (vibration turned on in the app and owner’s phone is not connected).
• ROBUST: ABS plastic+Copper+Braided Steel combined with robust design for a long time use. Braided Chain is 6 mm in diameter and 31″ in length works for most security needs.
• WATERPROOF : IP55 waterproof grade, can use both indoors and outdoors.
• POWER: 3 “AAA” batteries (not included ) are required which lasts for 6-8 months use (based on every day open twice). When the power is lower than 20%, APP will warn you low battery; When the power is lower than 5%, the lock is unable to work, please replace the battery immediately.