•Operating System: Works with Android or iOS 

•Connectivity: Bluetooth 

•Location Source: GPS, GLONASS, SBAS 

•Size: 4.4 in x 4 .4 in x 1.7 in 

•Weight: 12.7 oz 

•Accuracy Open Sky: 3.2 meters 

•Accuracy Closed Canopy: 5.3 meters