装了两个,不同方向预设在驱鹿频道,自此菜园无恙
https://www.amazon.com/Repeller-Ultrasonic-Repellent-Electronic-Control/dp/B076J81HV4/ref=sr_1_3?ie=UTF8&qid=1513194750&sr=8-3&keywords=deer+repellent+devices