SMART Technology; GPS, Bluetooth®, 8GB internal memory Power, Radio, Auto modes Transmitter modes, 131kHz, 33kHz, 8kHz or Auto (automatic detection of the transmitter signal) Depth detection up to 7 meters (23 feet) Good-to-Go™ Health Check and Start up test On-board video user guides IP66 rating - protection from dust and water Web Calibration Verification 3 year Warranty