Backlit bicycle computer with reliable wireless operation Key benefits Readable data in all lighting conditions: the backlit display makes it easy to read speed, distance, and riding time during night rides or long tunnels, enhancing rider safety. Wireless, waterproof, powersaving design: quick to install, durable in all weather. An automatic on/off function conserves power, and any button press wakes the unit. Compact and durable build: small in size and lightweight, with wear, corrosion, and impactresistance. Fully waterproof and designed to keep data readable from multiple angles. Fast, reliable data transmission: end design ensures accurate recording of speed and distance without delays, and allows riding time to start immediately. Versatile and universally compatible: waterproof and wearresistant, suitable for any bicycle. Product features Function: backlight for easy viewing, wireless connection, automatic powersaving on/off, wakeonpress, records speed, distance, and riding time. Compatibility: designed to fit and operate with any bicycle; suitable for various types of bikes without modification. Size: compact and lightweight for unobtrusive mounting and use. Material and durability: wearresistant, corrosionresistant, impactresistant construction with waterproof protection. Performance: reliable wireless data transmission; no delay in speed and distance measurement; immediate riding time start. Use scenarios Night city rides or long tunnels: backlit display improves visibility of metrics, helping you stay aware of your pace and distance without distraction. Allweather commuting or rugged trails: waterproof and durable design handles rain, splashes, mud, and rough terrain while providing consistent data readouts. Training and touring: lightweight unit that records reliable speed, distance, and riding time, useful for progress tracking on workouts or multiday journeys. Note: All features and descriptions align with the original product's function, specifications, and intended use, preserving the stated capabilities without modification or omission.