GPS Wireless Bike Computer per Strada Mountain Bike con Grande Retroilluminazione
Long press the left upward key ▲ for 3 seconds to turn on/off the backlight. The backlight can remain on constantly. list2:1x bike cpmputer， 1x bike computer （ Extended ） ,1x strap. list1:1x bike cpmputer， 1x bike computer ,1x strap.