GB RIFT Ghost Box, Paranormal Spirit Voice, GB-RIFT The GB-RIFT possesses a 3-Layered Audio Bank of micro phonetic and carrier audio files (thousands). Bluetooth capable for radio frequency scanning of the ISM UHF range. Variable Scan Rate to adjust Ghost Box audible responses. Volume control to adjust loudness, perfect for any environment. Night Vision mode. Switch to NVM when working with light sensitive equipment.