This item was stored after I stopped using the recording equipment. It works fine with both batteries and USB connection. No pets, no smokers. The main unit is for sale only. Nothing else is included. Thank you. Uses SD/SDHC/SDXC cards for recording media, which are versatile and easy to handle. Recording modes: MONO, STEREO, 2MIX, DUAL MONO, DUAL ST, DUAL 2MIX Recording formats: 16/24bit, 44.1/48/96/192kHz (WAV/BWF) *192kHz only when recording on 2 tracks Equipped with a high-quality HDDA microphone preamplifier. HDMI IN terminal allows clock synchronization with the camera and synchronization of recording start/stop operations.