UANAX Sonic Dog Bark Control Device - Effective Ultrasonic Deterrent for Barking Dogs Review

►ULTRASONIC BARK CONTROL: Latest upgrade version, Stop excessive, noisy dog barking by emitting an ultrasonic sound to silence the dog; More effective than old version deterrents and waterproof. ►SAFE AND EFFICIENT: Contain sensitive microphone isolates, ultrasonic controller for bark with effective distance of 50 feet, and people couldn't hear the sonic (recommended starting mode for indoors is level 1, increase if needed). ►FOR DIFFERENT SIZES: This mini bark control deterrents uses high-frequency sound that works to reduce excessive bark of dogs within hearing range; For dogs 6 months and older UP TO 50 FOOT RANGE. Without need of traditional collar is safe for the most varieties of dogs. ►FOR DIFFERENT SIZES: This mini bark control deterrents uses high-frequency sound that works to reduce excessive bark of dogs within hearing range; For dogs 6 months and older UP TO 50 FOOT RANGE. Without need of traditional collar is safe for the most varieties of dogs. ►ENERGY SAVING: Operates 9-Volt batteries (not included),average battery life 5-6 months depending on use.