The Big Cheese sonic mouse and rat repeller is an effective and proven rodent deterrent. This welfare friendly solution does not harm rodents. Simply plug into any wall outlet and the repeller will emit a continuous output of over 100dB at swept frequencies, working 24 hours day to keep rodents away. 

• 24 hours a day efficiency
• For use in a single room up to 37 square metres
• Available in a single or three pack