This product is mainly used for outdoor environment to prevent undesired dog attacks
Just one push of button, the unit emits an ultrasound to a dog's hearing

• Emits 130 dB of ultrasound to a dog's hearing to stop attack
• Unit has a flash light
• Two excitation patterns to train or to repel a dog
• Portable and compact size
• Powered by 1pc of DC 9V battery (not included)
• Dimensions: (W)127mm X (D)26mm X (H)47mm