This device combines PIR Motion Activated, emits ultrasound  to Chase unwelcome animals out of your Garden and Yard. 

Features:

1. Easy installation, can be hanged on tree, on post, on the wall by the mounting shelter,stand on lawn and stick into ground etc.

2. Chases unwelcome animals(cats,dogs, cats, birds, martens, weasels, foxes squirrels etc.) out of your garden and yard!

3. Device only activates when motion sensor is triggered, making the most of its power supply

4. PIR Covers 120° arc, and 8-12 meter.

5. Frequency conversion: 16-60KHz

6. Power supply: 4.5V AA battery, DC 4.5V 60mA power supply (not contained in the delivery)