Steel body and key barrel with piercing alarm voice make KNL-5 being a strong and mini tool to protect your motorbike. Weather-proof electronics module is fully protected by metal cover. By pressing down the button two times in 5 seconds, the alarm function will be off. Built-in 120dB Alarm System 5mm Locking Pin Water Proof Electronics Push Down Locking System USB Rechargeable battery On/ Off alarm function selection