It is designed for FrSky Smart Port enabled system, and can provide Air Speed data for your entire flight.
Compatibility: FrSky Smart Port enabled receivers, such as X8R, X6R, X4R, etc.
Model: ASS-70
Operating Voltage Range: DC 4-10 V
Operating Current: 20 mA at 5 V
Measurement Range: 0~270 km/h.
Size/Weight: 7 g, dimensions 33.29×22.26×12.55 mm.
Pitot Tube: Weight 4 g, length 101 mm, diameter 2.6 mm.
Pitot Tube Hose: Silicon, clear, 3 feet (1 meter), 2.2 mm ID, 3.8mm OD