Features: High quality pet dog repeller with both lovely shape and comfortable hand feeling. It produces 125dB powerful ultrasound (inaudible human ear) and 2800MCD strong white light, which can cause strong stimulation to dogs and cats. Effectively barnish fierce dogs and cats without hurting them. Dog trainers can effectively train your dogs to be obedient and stop some unwanted behaviors. Premium material, good wear resistance for optimum durability. Simple operation, compact and portable size, great to take along while walking, jogging, cycling etc. Specifications: Condition: Brand New Material: ABS plastic Color: Black Ultrasound: 125dB Battery: 9V battery(excluded) Size: Approx.11.4*4*2.8cm(L*W*H)/4.5*1.6*1.1in Package Weight: Approx.76g/2.7oz Package List: 1 * Ultrasonic Dog Repeller Note: 1. Please don't take the dog repepller to deliberately tease your dog. 2. When the light is obviously dim, please replace battery in time.