Feature: 1. Functions:Data GPS, Distance, Speed, Time, Temperature,Altitude,Gradient,Lap,Strava 2. Sensor Support: Speed, Cadence, Speed\u0026 Cadence 2 in 1 sensor, Heart rate, Power 3. Automatic Backlight: Automatically turns on 30 minutes before sunset 4. Waterproof design: IPX7 ensures durability in all weather conditions. 5. Long-lasting: battery life of 28 hours for extended Cycle adventures. Specification: This GPS Cycle computer can receive real-time Cycle data from heart rate monitor,speed and cadence sensor, power meter via ANT+ ,and save these date as a fit file .You can sync Cycle date to STRAVA by OneBiker app.GPS and BEIDOU Dual Positioning, Auto Backlight and Time Calibration Features: Functions:Data GPS, Distance, Speed, Time, Temperature,Altitude,Gradient,Lap,Strava Sensor Support: Speed, Cadence, Speed& Cadence 2 in 1 sensor, Heart rate, Power Automatic Backlight: Automatically turns on 30 minutes before sunset Waterproof design: IPX7 ensures durability in all weather conditions. Long-lasting: battery life of 28 hours for extended Cycle adventures. Specifications: Language: English Screen: 2.3 inch FSTN segment Position: GPS&BDS Wireless: BT/ANT+ Waterproof: IPX7 Extended Map: No Lap count: Yes Battery: 5V 500mAh Battery Life: 28 hours Charging Time: 2 hours Storage: Can store 80 hours of continuous Cycle data Size: 8 x 5 x 1.6cm / 3.15 x 1.97x 0.63in Weight: 64g/2.3oz Package list: 1 x Bike Computer 1 x Base 1 x Base Silicone Pad 2 x Leather Loops 1 x Type C Charging Cable 1 x User Manual Package List: 1 x Bike Computer 1 x Base 1 x Base Silicone Pad 2 x Leather Loops 1 x Type C Charging Cable 1 x User Manual