Dog Repeller with LED Light: Dog Bark Deterrent Devices Rechargeable device, fully charged can be used for up to half a month, can be used for 24 hours in constant LED light mode, and can be an ultrasonic dog repeller for 1.5 hours in sound wave mode Dog Bark Deterrent Devices Compared with the Dog Bark Collar , the effect of Dog Barking Control Devices is better, and Dog Bark Deterrent Devices are suitable for walking at night. Portable Designed Barking Comtrol: Dog Bark Deterrent Devices The small size of the barking deterrent is perfect for hand-held and on-the-go, you can put dog bark deterrent devices in your pocket dog bark deterrent devices go to work with the push of a button Dog Bark Deterrent Devices activate. Premium Design With Anti-Lock Key: This Dog Bark Deterrent device is thinner and has an anti-lock key to the anti-barking device to avoid false triggering, Dog Bark Deterrent Device very ergonomic design with a separate and explicit key for the bark control device easy access, and also comes with an adjustable wrist strap, Dog Bark Deterrent Devices suitable for outdoor use. More Effective Than A Bark Callar: The Dog Bark Deterrent Devices combines an auto-off hearing safety feature with ultrasonic anti-bark technology for happier neighbors, more restful sleep, and better pup behavior. Quality service: Our goal is to ensure the quality of products and customer quality shopping experience is the driving force of our efforts, if you have any questions please anytime to contact us, we will be the first time to serve you.