Skylark Tiny OSD III With 10 Hz GPS & 80A Current Sensor Description: Item Name: Skylark Tiny OSD IIIWeight: about 45g (total) Main Board: 41 x 24 x 11mm GPS Module: 35 x 27 x 9mm Amp Sensor: 58 x 25 x 9mm Working Voltage: OSD 7.4V-12V / GPS Module 5 V Current Sensor: 80 A Feature:10 Hz super sense GPS, with backup battery, 3D Fix led indicator.PAL/NTSC compatible 60A current sensor. Ultra-light RSSI Auto detected. Auto Setting Home With barometer OSD measures: Speed Altitude Distance Home navigation angle GPS signal Power battery voltage Power battery currentm Ah consumed Skylark Tiny OSD User Manual Package included:1 x Main board 1 x 10HZ GPS Module 1 x Current Sensor 1 x USB (Universal Serial Bus) Update Cable 1 x User Manual