Features:

1.Both speedometer & trakcing connection are through 3.5 mm female jacks on the the monitor - adapters (NOT INCLUDED) might be needed if the device also happen to have female jacks (rare cases).

2.An optional feature works with bikes with sensors (usually 2 x metal pieces on handle ). Re-wiring MIGHT be required for some perticular models.

3.Anti-glare Lcd:Anti-glare LCD, which can be clearly viewed at all angles in sun, full-screen white backlight, night riding can clearly see the data no matter under the sun or night riding, never worry the darkness.

4.Multi-functions:Small size, light weight,makes it convenient and durable. This bike speedometer works well to measure speed, distance, riding time and etc. It fits better for serious bicyclist or fitness fanatic to record and manage the cycling data in the training.

5.For Stationary Bikes with ""head phone jack"""" look connection tips. E.g. many bike models by Sunny, PooBoo, L-Now, Snode, Exerpeutic, Pleny, Yosuda, Ativafit, Faafuu - 95% of Amazon brands as well as domestic brands

Specification:

Material:plastics

Counting range: 9999 (pcs)

Input signal voltage: 1.5V (V)

Specification: AS connector

Size: 147*124mm

LCD Size: 50*23mm

Package Contents:

1*Exercise Bike Heart Rate Tracker

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.