Anti Subscription Dog Ultrasonic Anti Subscription, Automatic Anti Subscription Dog Ultrasonic Device for Small and Large Dogs

Package dimensions: ‎11.7 x 9.3 x 5.4 cm;190 grams Color: Black Number of items: 1 Main features Does not apply to below - Noisy environment.- Hearing impaired dogs.- Aggressive or violent dogs.- Two or more dogs together.- Dogs under 6 months or over 8 years old.Mode 3 for effective range -Mode 1 (short distance monitoring): up to 15 feet -Mode 2 (mid distance monitoring): up to 30 feet -Mode 3 (long distance monitoring): up to 50 feetPackage Included - 1 x Sonic Bark Deterrent - 2 x Mounting Screws and Anchors - 1 x User Manual - 1 x USB Strip Please remind - The sonic penetration range is 50 feet, but the best effect is less33 feet and the smaller the range, the better the effect.- Every dog has a different learning speed, please allow your dog to adapt for up to 2 weeks.- Please face the sensor in the direction of barking.- Please DO NOT use it during charging time.