Sigma Pure1 ATS Wireless Bicycle Computer is a compact, functional computer for cyclists who are looking to quickly scan essential cycling parameters. Equipped with speed, distance and time tracking functions in a prominent, yet compact display, this bike computer will be an essential companion for cyclists. Pure 1 ATS (Sigma Item No. 03102) includes the following: Bike computer (incl. battery), bracket for wireless models, ATS speed transmitter (incl. battery), magnet, mounting material, operating instructions FUNCTIONSCurrent speed Distance Total distance Ride time Total ride time FEATURES: Automatic start / stop Watertight in accordance with IPX8 Tool-free mounting UFSB-compatible Following accessories are available for purchase separately00165 Power Magnet, 00203 ATS Transmitter Kit, 00160 ATS Speed Transmitter, 00208 ATS/STS Handlebar Bracket 2032, 00342 Lithium Battery CR 2032 Individual, 00349 Lithium Battery CR 2032 10xBlister