?Four-Digit Password?This “remote control alarm lock” password is four digit,and it can be combined up to 256 groups. The operation is very simple, very convenient, you must remember after setting the password, otherwise the lock will automatically open the alarm after entering the wrong password three times. ?IP55 Waterproof?It can be used normally in the temperature range of - 10 +60?. IP55 waterproof and dust-proof grade, suitable for indoor and outdoor use. With this lock, no matter how bad the weather is outside, it can protect your bike or motorcycle safely and never be stolen. ?Alarm in Time?Alarm immediately when shaking or moving the lock.The alarm will be given immediately when the steel rope is cut or the lock screw is disassembled.Call the police immediately if you mistype the password three times.The alarm sound reached more than 115 decibels. ?Remote Control?Password or remote control completes lock/unlock without key. Remote control distance: greater than 40 meters. And a lock can learn up to eight remote controls. ?Customer Service?If you have questions about the product or don’t know how to install it, please contact us at any time, we will definitely give you a reply in the first place and return it for you. Please feel free to use it.