Multifunctional bicycle computer: 3-in-1 design integrates the functions of bicycle speedometer, bicycle headlight and electronic horn. Measure your current speed, average speed, maximum speed, trip distance, trip time, total distance. Additional Features: Speed Trend, Speed Comparator, Temperature, Stopwatch, Calories, Fat Burn, ETA, Auto Scan. User selectable 12-hour/24-hour clock, KM/M units, /H, auto-sleep/auto-wake. LCD Display2.2-inch high-resolution backlit LCD display, easy to read even in direct sunlight or in the dark, allowing you to obtain the latest sports data anytime, anywhere.Super bright LED headlight and loud horn with adjustable modes: speedometer backlight, low light, high light, SOS, keep your vision clear and protect you when driving at night. The electronic horn is loud enough to hear and warn pedestrians, cyclists or drivers. USB Charging: The built-in rechargeable battery can easily charge any device with a USB port, such as B. power bank, computer, laptop, wall charger, etc. Specifications: Material: ABS+acrylic Backlight color: green 1. Please allow small amount due to manual measurement. Please make sure you dont mind before bidding.2. Due to different monitors, the color may vary, please understand. Notice:If your receiving information (eg: name, street, house number, doorbell/email with no name, etc.) is incorrect, the order will not be delivered correctly.