Vehicle Mobile DVR Use Talkback Handle Car MDVR Using Voice Talk Handle 

   The intercom handle is a two-way mobile communication tool,connect with the Mobile DVR to reach the voice talkback.Which can make calls without any network support and without extra charges. It is suitable for relatively fixed and frequent calls. While the intercom is transmitting, keep the intercom in a vertical position and keep the microphone 2.5 to 5 cm away from your mouth. The intercom should be at least 2.5 cm away from the head or body. If a handheld walkie-talkie is carried on the body, the antenna should be at least 2.5 cm away from the body when transmitting.