Voice Recorder Accessories -Dog Training Device by Highlights Generic Brand Dog Training Device by Description: This product is mainly used outdoors to prevent dogs from being attacked. Adopt ultrasonic technology, effectively train your dogs to be obedient and quiet, stop some unwanted behaviors. This multi-function dog hunter repellent also has LED light function, training function and anti-bark function. Portable design, lightweight and easy to carry, ideal for walking, traveling, sleeping and outdoor activities. Each item has been tested and checked in good condition before shipment, easy to use. Specification: Material: ABS Size (LxWxH): Approx. 125x45x15 mm / 4.92x1.77x0.59 inch Package includes: Dog training device, 1 piece Note: 1. Color may be slightly different due to the color calibration of each monitor. 2. Please allow slight measuring deviation due to manual measurement.