LIXADA 3 in 1 Wireless Bike Computer Multi Functional LCD Screen Bicycle Computer with Heart Rate Sensor Mountain Bike Speedometer Odometer IPX7 Waterproof Cycle Measurable Temperature Stopwatch 3-in-1 Cycle computer with bike computer, cadence and heart rate mode, with this bicycle computer, every Cycle data is under control. 2.8'' LCD large screen provides clear and crisp reading, enjoy your pleasant Cycle trip! Features: 3-in-1 Cycle computer with bike computer, cadence and heart rate mode. Heart rate mode with current heart rate indicator, which can monitor our heart rate during Cycle to ensue our safety. Real time recording, speed, distance, time, temperature, calorie, etc. 2.8-inch large screen with LCD back-light allows you to read the data clearly at any time and any angle. Nine languages are optional, English, French, German, Dutch, Italian, Spanish, Hungarian, Polish and Danish. IPX7 grade waterproof, it can be used on rainy days. smart chip, stable performance and large memory capacity, thus the data will not lost when power is off. Small size, lightweight and wireless design make it more convenient and easier to install and use. Perfect e when hiking, climbing, riding and other outdoor actives. Functions: SPD: Current Speed  AVS: Average Speed  MXS: Max Speed  ODO: Odometer TOT: Total Distance for Bike 1 & Bike 2 DST: Trip Distance TIME: Trip Time  SW: Stopwatch  TEM: Temperature CAL: Calorie Counter FAT: Fat Burned Current Cadence Average Cadence Maximum Cadence HRM: Heart Rate Per Minute MAX: Maximum Heart Rate MIN: Minimum Heart Rate Three Back-light Nine Languages Wireless Transmission Odometer Save Function Specifications: Material: ABS + PMMA. Color: Black. Shell Color: Black / White ( optional ). Back-light: Blue / Green / White ( optional ). Screen Size: 60 * 45 mm / 2.4 * 1.8 in Product Size: 80 * 54.5 mm / 3.1 * 2.1 in Product Weight: 65 g / 2.3 oz Packing Size: 13 * 8 *4.4 cm / 5.1 * 3.1 * 1.7 in Packing Weight: 150 g / 5.3 oz Package List:  1 * Bike Computer 1 * Magnet Sensor 1 * Transmitter 1 * Extend Mount 1 * Heart rate sensor belt  1 * Nut 1 * Pad 6 * Zip Ties 2 * Manuals