This Bluetooth® Smart (BLE 4.0) enabled wireless cycle computer features advanced DUAL MODE (Computer and Remote Monitor) technology allowing the computer to operate separately or paired with a smartphone to access GPS data and store ride data on your smartphone. It features a customizable backlit display, multi-language support and large control buttons for ease of use and the integrated rechargeable lithium ion battery ensures you have enough power for even your longest rides. - Computer Mode connects the computer and Speed / Cadence sensor for real time ride data. Switch to Remote Monitor Mode to sync data with Topeak PanoBike+ App using a Bluetooth® Smart ready smartphone or tablet. - Remote Monitor Mode connects your smartphone and Speed/Cadence sensor for real time ride data and displays ride information on the computer’s 2.2” screen. This allows you to carry your smartphone in a backpack, saddle bag or jersey pocket. Speed : Current Speed / Average Speed / Max Speed Distance : Trip Distance / Odometer Time : Ride Time / Total Time / 12/24 hr Clock / Timer Cadence : Current Cadence / Average Cadence / Max Cadence Heart Rate : Current Heart Rate / Average Heart Rate / Max Heart Rate / Heart Rate Max Limit Alarm Others : Customize Display / Temperature / Grade / Altitude (Barometer) / Calories / Training / App RemoteDisplay / Backlight / Call ID (cannot show the name of the caller) / Export ride data to Strava / Auto Pause / Low Battery Indicator