There are 3 super functions for this machine.( dog or cat repeller and training, flashlight)

      How to work:                                       1. put the switch on the first position, and push the button "BEAM",  the machine can be used in flashlight function with 28000 MCD super white light.                 2. put the switch on the middle position, and push the button "BEAM", face the dog or cat for 2-3 seconds , the machine can be used in dog or cat training with fixed lower comfortable ultrasonic wave.               3. put the switch on the last position, and push the button "BEAM", face the dog or cat for a few seconds , the machine can be used in dog or cat repeller with variable higher comfortless ultrasonic wave.        Main data:                                                1.model: AO 308        2.dimensions:127 x 40 x 27 mm        3. weight: 55 g /pc       4. service voltage: 1pc 9v battery       5. ultrasonic power: 125 db/10m       6. color: black ,orange, and blue       7. packing: 1 pc machine, 1 pc english  instruction, 1pc 9v battery , three in one case.

electronic dog training