High Decibel Electronic Whistle

This electronic whistle is easy and simple for you to use. Just Open the power,press the button and then it works. Electronic whistle is made of high quality ABS environmental protection material, non-tasteless and healthy, can avoid mouth contact, can provide up to 120-150 dB sound power, which is your best choice in this special period. Three distinct tone personalized whistle for your selection, you can choose the best sound for your demand. Custome Logo is available, price for 2000 and over is for sea shipping.