This is a High Quality Satellite meter kit. It replaces the cheap ones of old that had thin cheap cardboard and vinyl cases, cheapo compass etc. This new model has a super heavy duty hard side case with Magnetic closure. Can withstand years of use. The battery holder now Holds 10 AAA batteries to enable more time and repeated uses when needed. The compass is an alloy military grade liquid filled compass. Most importantly, the meter itself is higher quality and has Horizontal and Vertical led indicators. You will like the Quality of this setup.