This mains free battery powered alarm is easily fixed to your sheds timber framing. There are two options, DSA-MA20 Ultra loud 130db alarm, and DSA-MA25 which has an extra booster 130db siren which activates if the alarm is disconected, and a more tamper resistant design.
![](https://www.gubbagardensheds.co.nz/wp-content/uploads/2013/01/Shed_Alarm.jpg)