Material: This alarm is made of high quality PVC housing, smooth appearance, strong and durable.
Multi-purpose: Ideal for outdoor use, such as gates, courtyards, fences, sheds, entrances and exits, to prevent door prying.
Easy to install and use: there are a variety of installation methods, tape, cable ties, screws can be installed, easy to use.
Battery use: The alarm is on the battery, insufficient power will prompt to replace the battery.