Jolly Logic AltimeterOne.

Sold directly by the manufacturer, Jolly Logic

For flying things like model rockets, planes, quadcopters, kites, and falconry (not hiking)

Tiny: 0.57 x 0.71 x 1.93 (14.5 x 18 x 49mm)

Weighs just 0.36 oz (9.9g)

Recharges in any USB port

This is the second generation of the popular Jolly Logic AltimeterOne for use in stuff that flies (model rockets, planes, quadcopters, helis, kites, gliders, falconry). New for 2014 is a bitmapped, animated display and larger battery. The new History feature now stores the last 100 flights.If you know someone who likes to fly things, this is an awesome gift they will love. Tiny and rugged, the AltimeterOne uses a state-of-the-art pressure sensor to measure the peak altitude of flight for rockets, planes, falcons, quadcopters, and kites. No batteries required: the AltimeterOne plugs into just about any USB port to recharge. Its durable construction and convenient tether point make this the only altimeter that can be mounted just about anywhere, including the tiniest rockets and the legs of hunting falcons and hawks. Although data is NOT downloadable, the peak altitude is clearly displayed on the sunlight-readable LCD screen and the last 100 flights can be viewed with the History feature. Certified for contest use by the National Association of Rocketry.Free shipping if purchased directly from the manufacturer.Note: this is NOT an altimeter that you could use for activities like hiking. It's for flying things only.
Brand: Jolly Logic, Model: JL-A1, Color: Black