Multifunctional Ultrasonic Dog Repeller Anti Bark Bark Training Device LED Flashlight Features: Made of high quality ABS material, sturdy and durable. Small size and lightweight, easy to carry anywhere and anytime. Ultrasonic design (125dB) and strong white light (2800mcd) make that it is an effective repellent to prevent dog attacks. It can also be used to train dogs to be obedient and stop some unwanted behaviors such as barking, digging, chewing and more, and it is also harmless to both humans and pets .It can also be used as a flashlight for lighting in outdoor activities. A great training tool to improve your dogs' behavior, prevent your dog from attacking. Specification: Condition: Brand new Material: ABS Color: Black Battery: 9V stacked solar cell Battery (Not included) Size: 12.5 *4*2.5cm / 4.9*1.6*0.9 inch (approx.) Package includes: 1 * dog repeller 1 * user manual Notice: Please allow 1-3cm error due to manual measurement and make sure you don't mind before ordering .Please understand that colors may exist chromatic aberration as the different arrangement of photos.