Turnigy - 10 in 1 servo tester

The Hobbyking Altimeter is a stand-alone, small, light and convenient unit for recording altitude and temperature changes throughout your flight. Once you have finished flying, you simply plug the altimeter into your computer via the supplied USB interface and download all the recorded flight data which displays an Altitude/Temperature/time graph for each flight. Powered by your RX, the H-King Altimeter is small and light enough to be fitted to almost any model and comes with mounting foam & instructions.

Specs:
Dimensions: 21x13x5mm
Weight: 1.3g
Connector: 1.25mm pin
Operating Voltage: 3.7~8.4v
Working Current: <7mA
Upload Interface: USB
Height Range: -500~9000m
Height Accuracy: 0.3m
Operating Temp Range: -20c~65c
Temperature Accuracy: 1c
Sampling Fequency: 1hz/2hz/4hz/8hz
Storage Capacity: 63h(1hz)