6.8" Big Screen】Upgraded screen: 68.8% larger display area for clearer data readout with auto backlight. 【Lights & Sensor Connection】XOSS G+ Gen.3 GPS bike computer can connect and control headlight and taillight(only for specified models). It also supports power meter, heart rate monitor, speed sensor and cadence sensor. 【Lap Counting】The G3+ cycling computer supports four types of lap counting: time-based, distance-based, location-based, and manual laps. 【Custom Function Button】The middle button of the XOSS G+ 3rd generation is customizable. It controls lap timing, bike light functions, and more, with further settings available in the XOSS app
