Adopt the function of close range synchronous voice intercom and transmission specially designed for specific environment;

The heart-shaped directional sound picking design can reduce the noise interference at the side and back.

Strong directional design locks any sound within the effective range, effectively preventing the interference of other counters and hall noise;

Built-in lightning protection, power polarity reversal protection and power protection module;

Ultra-long audio signal transmission technology.

After pressing the emergency button, an emergency signal will be triggered to notify the monitoring center, and a voice intercom will be applied to the monitoring center. Through the microphone,

Call the monitoring center. The monitoring center can connect to the emergency button equipment through the monitoring network, and enter the scene through the pickup of the emergency button equipment

Line 24 - hour monitoring, at the same time through the broadcast voice transmission to the scene, to achieve voice communication with the scene.

Overall size: 86*86*34MM transmission frequency: 315MHz or 433MHz

Transmitting distance: open distance greater than 150M working voltage: DC12V 23A battery

Operating temperature: -10℃-- +50℃ operating current: alarm =20MA, standby =5UA