SII Series 7x50mm Binoculars- Magnification 7 - Object Diameter 50 - Eye Relief 23.0 - Fov 377 - Weight 40.0 - Finish Black - Exit Pupil 7.1 - Minimum Focus 33 - Coatings Multi - Relative Brightness 50.4GPS:- Screen Size: TN positive semi-transmissive monochrome segment- Battery: 2 AAA(not included)- Continuous Use Time: about 6 hours(depends on the weather)- Frequency: 1575.42 MHz- 12 Tracking Channels- Sensitivity: Tracking- 155dBm or lower, Acquisition- 140dBm or lower- Records up to 5 points of latitude and longitude.