Name: Fish-shaped electronic whistle
Model: PS-391
Description:
1. There are three voice choices (whistle, alarm, non-nuclear whistle)
2. The sound decibel level is about 120 decibels.
3. Product size: 137 X 39 X 31 mm
4. Weight about 50 grams
5. Batteries: 4X 3V CR2032 Batteries

1. Instructions for use:
1. Pull the "toggle switch" to the appropriate gear and select the sound to play.
2. Hold down the "Sound Play Key" and play the sound continuously. Release the key and
   stop the play.
3. Shutdown: When you don't use the product, you can turn the "toggle switch" to the
   "OFF" file to shut down.

Notes:
1. Do not put the electronic whistle in your ear to make a sound. In the environment of
   100-120 decibels, people can not bear it and may cause hearing loss.2. Electronic
   whistle is not a toy, please don't play for children.
3. When the sound becomes smaller or cannot play normally, please replace the new
   battery in time.