Improved battery life External Battery Support: works with the Charge Power Pack Screen is larger Improved internals: the processor is twice as fast as the last generation Bluetooth Smart fitness sensor support: works with Bluetooth heart-rate monitors, etc. Built-in WiFi: sync new workouts automatically ClimbPro: informs you of grade and other real-time hill climbing data Eat and Drink alerts: help you stay properly hydrated and fueled Power Curve charts: similar to the Critical Power charts in SportTracks Extended Display Mode: displays workout data from watch, ideal for triathletes Forksight: a helpful mountain biking navigation feature MTB Dynamics: new metrics for Grit, Flow, and Jump Altitude and Heat Acclimation data: help you understand how you're performing Crash Detection: automatically notifies your emergency contacts Built-in bike alarm: sounds when it detects motion, sends notification to your phone Find My Edge: records GPS location of device when loses connection with phone, can activate a beeping sound when in Bluetooth range Dynamic performance monitoring : VO2 max, recovery, training load focus, heat and altitude acclimation, nutrition, hydration and mORE Cycling safety features² include new bike alarm, group messaging and tracking, incident detection and compatibility with Varia™ rearview radar and lights so you can see and be seen Includes routable Garmin Cycle Map with popularity routing Customize with free apps, widgets and data fields from the Connect IQ™ Store MTB dynamics track jump count, jump distance and hang time as well as Grit, a measure of the ride’s difficulty, and Flow Connectivity: Bluetooth Smart / Ant+ / Wifi Battery life: up to 20 hours with GPS Dimension:1.9″ x 3.2″ x 0.8″ (50 x 82 x 20 mm) Display size:2.6″ color Weight: 75.8g Headunit rm1449 Bundle pack +rm370 https://www.icebikeheaven.com/garmin-edge-530