Package includes:1 x Remote Control Vibration Alarm1 x Remote Controller（Not includes AA Battery）1 x 9V BatterySpecification: Material: PlasticColor: BlackAlarm mode: full micro - vidration is triggeredControl mode: Remote control fabric disarmAlarm volume: ≤ 120dbRemote control: ≤ 20mThe alarm time: ≤ 40sOperating voltage: DC 9V 6F22 batteryAlarm Size: 90 x 56 x 29mmFeature: - Wireless remote controlled alarm.- With built-in vibration sensor to monitor the safety of your property.- Use the magnetic back or a wall mount hole for easy installation.- Perfect to protect your shop， office， home， motorcycle， bicycle or anywhere requiring protection.- Remote control range is up to 20 meters.- Come with 9V battery for alarm.How to use:1. Open the battery that at the bottom of th alarm， then load the battery.2. Move the switch to th location of "ON"， in this case， alarm host make Bi sound， this shows power has been opened.3. Anti-thief settings， click on anti-thief key of remote control-Red button， the trumpet will makes Bi sound， then the host in the status of alert， and vibration beginning. Then the alarm will given ear - piercing alarm sound， the alarm time is about 40 second.4. Anti-thief relieving， click on the relieving key of remote control when at the status of alert-gray button， the trumpet will makes two BiBi sounds， this shows hasrelived the anti-thief system.