What does the explosion-proof shouting device do to us?

 Hand-held shouting deviceist is widely used in guided tours, flood rescue, filming and other live command.

 The explosion-proof voice-over is fully intrinsically safe. Press the key switch, speak to the messenger, its sound is amplified and broadcast, to achieve the purpose of amegaphone call. The explosion-proof shouter is powered by a rechargeable battery. The explosion-proof caller is simple to operate, light in weight, easy to carry, has good call performance, and is safe and reliable.

 How to use:

 1、press the left button switch of the panel, at this time on the power supply, in the shouting state, to the speaker panel speech, the sound from the barrel played out. Plug the microphone plug into the socket and press and hold the microphone button to speak to the microphone. When shouting in the whistling, please adjust the lever poter under the key, to no howling can be. You can also adjust the output volume of the speaker by adjusting the dial bit。

 2、Alarm: Press the left button switch of the panel, and then press the right button switch of the panel to sound the alarm.