CatEye: From daily commute to weekend ride, AirGPS is ideal for anyone who wants to measure time, speed and distance. Simply click through to a different data field and transfer your ride data to your Smartphone via App to upload to supported platforms.FunctionsCurrent / average / maximum speedCurrent / average / maximum cadence (optional)Current / average / maximum heart rate (optional)Total distanceTrip distance 1 & 2Moving timeClockTemperatureFeaturesSensorless GPS computerSimple setup via smartphone app3-row displayMiddle and lower row display programmable by smartphoneBacklight (Night mode)Hassle-free operationClickTec™ button interfaceAutomatically saves ride data by powering off10hrs runtimeStores up to 80 hours worth of route recordingImport ride data to Cateye Cycling™ and view it on appRide data uploadable to CATEYE Atlas™, Strava™ and TrainingPeaks™Firmware updateUSB rechargeablePace arrow3-level GPS signal strength indicator4-level battery indicatorProgrammable odometerBattery alert of connected sensorsFlexTight™ universal bracketTech SpecsCurrent speed: 0.0(3.0)?99.9km/h [0.0(2.0)?62.0mph]Average speed: 0.0?99.9km/h [0.0?62.0mph]Maximum speed: 0.0(4.0)?99.9km/h [0.0(3.0)?62.0mph]Trip distance: 0.00?999.99km [mile]Trip distance 2: 0.00?9999.99/10000.0?99999.9km[mile]Total distance: 0?999999km [mile]Moving time: 0:00.00?19:59.59Clock: AM1:00?PM12:59 [0:00?23:59]Current cadence: 0(20)?255rpm *1Average cadence: 0?255rpm *1Maximum cadence: 0(20)?255rpm *1Current heart rate: 0(30)?255bpm *1Average heart rate: 0?255bpm *1Maximum heart rate: 0(30)?255bpm *1Temperature: –10~40 ? [14~104?]Speed detection:GPSBluetooth® Speed sensor *1Wireless transmission: Bluetooth®Compatible sensors:CatEye brand SPD-30 Speed sensor / CDC-30 Cadence sensor / OHR-31 Heart Rate sensor / ISC-12 Speed & Cadence sensor / HR-12 Heart Rate sensor* Speed, Cadence and/or Heart Rate sensors conforming to Bluetooth4.0CSCP/HRP/CPP are supported but compatibility with third party devices is not guaranteed.Pace arrow: YesAuto power saving: YesBacklight: Yes (Night Mode)Odometer manual set: YesBattery indicator: YesBattery: Li-ion rechargeable batteryTire size: 0100mm ?3999mm (default:2096mm)Battery life: Approx 10 hrsRecharge time: Approx 3 hrs (at 200mA recharge)Battery power charging and communication with PC: Micro USB cableRecharge/discharge number of times: About 300 times (until the rated capacity drops to 70%)Dimension / Weight: 43 x 68 x 21 mm / 39gWater resistant: IPX7Note: *1 Bluetooth® sensor is required.