PetSafe Indoor Ultrasonic Bark Control, Up to 25 ft. Range, No Collar Needed, Anti-Bark

$24.99 (as of December 12, 2018, 11:03 am) & FREE Shipping. Details

FOR DOGS OF ANY SIZE – uses high-frequency sound that works to reduce excessive bark of dogs within hearing range; for dogs 6 months and older
UP TO 25 FOOT RANGE
VERSATILE – you can use either freestanding or hand-held

Usually ships in 24 hours