THINKWARE TW-F50 Dash Cam with 1080P Sony Exmor Sensor 2.12MP camera with 130-degree viewing angle and Sony Exmor CMOS sensor Anti-File Corruption prevents data corruption and improves MicroSD card reliability Integrated Super Capacitor and Thermal Sensor enhance reliability in extreme temperatures Format Free Technology guarantees all footage is saved to the memory card instantaneously while eliminating the potential of data corruption Optional accessories: TWA-SGM external GPS antenna for speed and red light camera alerts, TWA-SH hardwiring cable for parking surveillance mode Safety camera alerts must be enabled. GPS Antenna (sold separately) required.