Ultrasonic Dog Trainer- 10 Level Ultra Sound, 18 Dog Whistles, AntiBark Flash

Bought from Amazon Smart, Safe & Humane: No shocks, sprays, or harmful Adjustable Ultrasonic Dog Trainer: 10 customizable ultrasonic frequency levels (20KHz–30KHz) to match different dog breeds and behavior types. 18 Unique Dog Whistle Sounds: Includes 18 built-in sound modes designed to improve focus, recall, and correct behavior through humane audio stimulation. Dual-Mode High-Lumen Flashlight: Features a 1000-lumen LED flashlight with both steady and pop-flash modes to support nighttime use and visual behavior correction. Intuitive Controls & LCD Display: Easy-to-use interface with six function buttons, a side lock button for safety, and a clear LCD screen displaying modes, intensity levels, and battery status. USB Rechargeable & Energy Efficient: Built-in 1200mAh lithium battery with long standby time (6+ months) and convenient USB-C charging – no disposable batteries required.