Cycling power meter POWERCRANK-E integrated on the left crank arm SHIMANO 105 FC-R7100.The device was developed with special emphasis on the highest accuracy of measurement, also advanced mechanisms will make POWERCRANK-E not disappoint you in the most difficult conditions.Supports ANT+ and Bluetooth Low Energy wireless communication protocols.Technical data:Communication: ANT + PWR, Bluetooth Low EnergyPower range: 0 – 2000 WCadence range: 20 – 200 RPMMeasurement accuracy: ± 2%Weight: serial crank weight + 10g [L]Internal battery: LiPo rechargeable cellBattery life: up to 90 hoursUSB charger required: 5VDC, 1000mA (1A) [not included]Level of water resistance: IP67Working temperature: -5°C to +50°CBattery charging temperature: +5°C to +40°CStorage temperature: -20°C to +50°C Transmitted data:Power [W]Cadence [RPM]Torque effectiveness (TE)[%]Pedal smoothness (PS) [%] Package Contents:The POWERCRANK-E SINGLE power meter installed on a bicycle crank.USB charging cable with magnetic connector, 2m.The card with device data and a PIN to access the mobile application.User's manual.A set of stickers.Main advantages:Created in Poland – we sign this product ourselvesLow price – one of the cheapest solutions on the marketAccuracy – our R&D department does not compromise, faultlessness is what counts,Individual calibration – each of the power meters installed by us is individually calibrated,Active temperature compensation – temperature changes do not affect accuracy, the measurement adopts automatically,Durability – proven by hundreds of professional cyclists