MT-651 Ultrasonic Dog Repeller With Infrared Double Ultrasonic Horn Electronic Drive Dog Repellent The product is shipped based on the color or size of the main image of the product page : to prevent dog s, issue ultrasound to repel the dog or wild wolf In normal situation, it can be used as a normal flashlight to illuminate at night Ultrasonic wave reaches up to 125db ble to dogs but not to human ly target animals up to 20m away Can also be used as dog training device : MT-651Housing material: plastic : black : 19V 1 Driving principle: product is mainly used for outdoor environment to prevent dog s, when trying to your dog when you took this "super device", ultrasonic on dogs, aud y 125dB ultrasound on the dog is a great stimulus The flashing of the super bright LED also makes it clear that the sound of the source location, so that you are in the hs of the device is aimed at it 2 Use methods:(1) lighting: select " ", press "ON"" Can be used as a flashlight function (2) training dog: choose "I", press "ON" to send out ultrasonic At this point you can train the dog (3) dogs: select "II", press "ON"" Use to the fierce dog, dogs will escape 3 ers needing attention: the machine is not in use, please put the gear selector s in the " r_" gear To avoid power consumption 4 The following situation is not obvious effect of the dog:(1) their own dog, the dog knows that the owner will not hurt it;(2) a dog with its owner; trained large dog trained;(3) when the voltage is too low, the ultrasonic energy will be reduced (4) In " r_", as a result of strong power, large power consumption, please do not hold the s for a long time, generally by 3-5 seconds, then press the s (5) this product sends out the ultrasonic wave power is stronger, when using, do not face the human ear Package included:1 x MT-651 Ultrasonic Dog Repeller1 x