Features: Product Type:Dog Supplies Color:As the pictures Condition:Brand new Quantity:2 PCS Material:ABS Size:14cm * 6cm * 3cm Length:20 cm Description: 1. This product uses dual-channel super-driven dog, double-headed dog, laser drive snake, drive cat, lighting function in one of the super-acoustic drive. 2. Used to prevent dog attacks, issue ultrasound to repel the dog or wild wolf. In normal situation, it can be used as a normal flashlight to illuminate at night. 3. Stop dog approaching you before it can bite you; A good protector for yourself;Also can be used to train dogs and bring you more fun; Need a 9V carbon battery (included). 4. Safe, humane and effective dog repeller; Can works with most dogs; Emits piercing ultrasonic tone that dogs hate and make dogs away from people. 5. Ultrasound is up to 125db. Dogs can hear, but people cannot hear. Size: 14cm * 6cm * 3cm Package include: 2*Dog Bark Controller Notes: 1.The actual color may differ slightly from the image due to different monitor and lighting effects. 2.Please allow 1-3 mm deviation due to manual measurement. 2Pack Ultrasonic Anti-Bark Dog Training Equipment and Barking Control Device, Handheld and Portable 2Pack Ultrasonic Anti-Bark Dog Training Equipment and Barking Control Device, Handheld and Portable 2Pack Ultrasonic Anti-Bark Dog Training Equipment and Barking Control Device, Handheld and Portable 2Pack Ultrasonic Anti-Bark Dog Training Equipment and Barking Control Device, Handheld and Portable 2Pack Ultrasonic Anti-Bark Dog Training Equipment and Barking Control Device, Handheld and Portable