The TruPulse 360B model measures distances, height and azimuth and is available in yellow and grey. It comes standard with a serial port, offers in-scope data display with 7x power optics and runs on 2 AA batteries or 1 CRV3 battery. Key Features of the TruPulse 360B include: Provides full measurement capability with AZ + INC + SDSolves 3D missing line calculations between any two remote points Integrates with GPS for efficient GIS data capture Bluetooth capabilities for wireless data collection*LTI 360 TruVector Compass Technology Laser Technology Trupulse 360B Laser Rangefinder 7005560