PIR Ultrasonic Animal Deterrent Battery Powered Repeller

Features:

1/ Powered by 4 "AA" alkaline batteries (NOT included).
2/ Non-toxic, no chemical and no poison, eco-friendly.
3/ An ultrasonic speaker, PIR sensor, LED light indication and two pieces stake . 
4/ Can be easily inserted in the earth or Mounted to the wall or ground.
5/ The sound waves and bright LED light activate when an animal enters the PIR sensor range (8 meters, 110 degree). 
6/ For best results, place or install the repeller away from large objects such as trees or branches.