No PC required Plug and Play</br>supports SD card as storage media instead of HDD. All the functions i.e. configuration records searching and playback of the call records can be operated directly on AR100.</br>Support to PSTN analog extension digital extension microphone audio adaptor environment meeting 2-way radio and radio broadcasting recording.</br>Records all automatically as default or configures it as manually start</br>Record call conversation Call Type Date Time Incoming/Outgoing number call duration recording duration and important mark</br></br>Product Description</br></br><b>Features</b> <br> <b>???No PC Required Play and Plug</b> <br> <b>???Excellent design---brings you more convenient life~~</b> <br> <b>???Features</b> <br> <b>???SD card storage(4G)</b> <br> <b>???Large recording capacity</b> <br> 2300 hours of call storage (32G) <br> 5 days a week 8 hours per day can be recorded in one year <br> <b>???Digital recording provides longer time and more environmental protection source</b> <br> <b>???Light and simple no PC required</b> <br> <b>???AGC Control</b> <br> <b>???High quality sp