1. Free 8GB memory ;
2. Voice activated ;
Recordings save on micro SD card too .
This device is single line voice logger. It can record all the calls over the phone .
Simple instruction just connect it to telephone and connect power :
Technical Specifications: Analog telephone recording Telephone Normal mode, Hands-free mode auto recording Build-in Flash Memory, No need computer Support loop recording, don\'t need worry the storage space is not enough. The recording file can through U Disk Function read directly All analog telephones supported. The recording file is standard Windows audio format : WAV 8K BYTE Build-in 8G storage and can save 18000 Minutes Loop recording Serial, parallel Port is Supported System can auto check and restore, recording is reliable and stable Low noise digital power for the device power support
Micro Recording Box
No need PC
U Disk Line Power Line
5V Low Noise Power
Note : this model does not have built-in battery ,so when it works ,it need to connect to power .