批发无线防爆扬声嚣｜BYS20W充电式手持防爆扬声嚣|

批发无线防爆扬声嚣｜BYS20W充电式手持防爆扬声嚣|
   BYS防爆手持喊话器为手持折叠式充电喊话器，又称手提式防爆扬声器。防爆形式为全本质安全型。该防爆喊话器适用于石油、化工、钢铁、港口等含有易燃易爆气体环境的场所。该防爆喊话器操作简便，重量轻，便于携带，具有良好的通话性能，并且安全可靠。该防爆喊话器电源为可充电电瓶。

  BYS-20W防爆喊话器使用方法：
1、打开上盖，接通电源：
2、按键选择：电源键、喊话键、音乐键、录音键；
3、喊话时请按下喊话键，音量大小可调节。

Wholesale wireless explosion-proof loudspeaker, BYS20W rechargeable handheld explosion-proof loudspeaker |
BYS explosion-proof hand-held megaphone for hand-held folding charging megaphone, also known as portable explosion-proof loudspeaker. Form of essence safety type explosion proof. The explosion-proof loudspeaker used in petroleum, chemical, steel, ports and other places containing flammable and explosive gas environment. The explosion-proof loudspeaker has the advantages of simple operation, light weight, easy to carry, is the call of good performance, safe and reliable. The explosion-proof loudspeaker power supply for rechargeable battery.
Methods using BYS-20W explosion-proof loudspeaker:
1, open the upper cover, turn on the power:
2, selection buttons: power button, button, button, propaganda music recording key;
Please press the call key 3, propaganda, volume can be adjusted.