HobbyKing

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: 21x13x5mmWeight: 1.3gConnector: 1.25mm pinOperating Voltage: 3.7~8.4vWorking Current: <7mAUpload Interface: USBHeight Range: -500~9000mHeight Accuracy: 0.3mOperating Temp Range: -20c~65cTemperature Accuracy: 1cSampling Fequency: 1hz/2hz/4hz/8hzStorage Capacity: 63h(1hz)