Features: * Made of plastic material, durability and functional * This speedometer is suitable for fitness bikes with speed, not suitable for fitness bike upgrades unless you have strong hands-on ability * Applicable: fitness bikes, elliptical machines * Please note that batteries are not included in the shipment. You need to purchase batteries separately. * Please note that this display is only suitable for replacement, not for modification. If your elliptical machine or exercise bike does not originally have a display with the same function, then this product is not suitable for you. *Only supports kilometer unit display * Function: Scan: Automatically scan all function values Time: Measures the time from the start to the end of the exercise Speed: Measures the instantaneous speed Calories: Measures the calories consumed from the start to the end of the exercise Mileage: Measures the distance traveled from the start to the end of the exercise Total mileage: Measures the total distance traveled from the start to the end of the exercise Heart rate: This value indicates the heart rate during the current exercise Specifications: *Product Name: Exercise Bike Monitor Speedometer *Material: Plastic *Size: approx.137*80mm/5.4*3.1inch *Color: White *Weight: about 150g/set Package Content: 1 x Exercise Bike Monitor 2 x Heart rate sensor 2 x Heart rate sensor cable 1 x Speed sensor cable Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data(1cm =0.39inch)