CHANFONG ULTRASONIC DOG CHASER ZF 853E

*EASY to carry in your pocket or take it on your hand (with hanging string)., *In normal situation, it can be used as a normal flashlight to illuminate at night., *Specifications:Body Material:ABS, *Size: 13.5cmx6cm, *Color:Black, *Frequency:35-45KHZ, *Battery Type:9V Alkaline Battery(Not Included)