Compact size housing with built-in NTC thermistor and capacitive humidity sensor designed with standard USB connector for easy data downloading to a PC " RHT35 has built-in barometric pressure MEMS sensor " 5-digit LCD display with battery life indicator " User programmable settings: 6 languages, sample rate, start delay time, alarm delay time, high/low alarm range, and security feature " Status Indication via Red and Green LEDs " Start button begins continuous datalogging, which continues until memory is full at 48,000 readings, or when Stop button is pressed " Bookmark 8 locations in a data recording log