authentic / green backlight

built-in barometer & thermometer / IPX7 waterproof / GPS / auto backlit

cadence speed sensor / heart rate monitor

authentic / clock / EL backlight / average speed / wireless sensor / riding time / 1*2032

authentic / back light / water resistant / auto power off / over speed remind function / for 10-99.99cm diameter wheel

powered by 1*AG13(included)

1*CR2032

1*CR2032

w/wireless tire RPM sensor

black / 1*CR2032

w/tire RPM sensor

1*CR2032

1*LR44

1*AG13 / 1.3" LCD

authentic / 7" LCD / 30*functions / 1/2*CR2032 / glow-in-the-dark / water resistant

1*LR1130 / water resistant

authentic / 1.4" LCD / backlight / time / temperature display / stopwatch function / low battery indicator / water resistant / 1*CR2032

1.3'' LCD / 1*LR1130 / water resistant

authentic / 1*CR2032 / wired noctilucent w/ cadence stopwatch

authentic / 2.1" screen / temperature display / USB rechargeable / wired sensor