There are 3 settings . Flashlight,Training , and scare away. The light works ok. The "Training" sound makes my dogs bark more and also makes my little one run away. Same responce with the scare setting.I did have great customer service wehn it came to my item being lost in the mail. #Rankboosterreview #Sponsored #Gogirl https://www.amazon.com/Gogil-Ultrasonic-Barking-Training-Repeller/dp/B074W3Z8NP