This bike computer records riding distance, time, and speed. It includes additional functions such as a temperature sensor, stopwatch, user A/B interchange, and reminders for refueling and maintenance. Features: - Multifunctional: Records riding distance, time, speed, and supports two user profiles (A and B). Monitors temperature and provides service and refueling reminders. - Smart Chip: Built-in smart chip ensures riding data is saved and prevents loss if the device powers off unexpectedly. - Clear Display: Large LCD screen with switchable day and night backlighting for clear visibility in various lighting conditions. - Durable Design: Lightweight plastic housing protects the display and internal components. - Easy Installation: Wireless setup allows for quick and tool-free mounting on your bicycle. Specifications: - Material: Plastic - Backlight: Green / White (optional) - Item Weight: 32.8g / 1.15oz - Item Size: 6.5 x 4.5 x 2cm / 2.5 x 1.7 x 0.9in - Package Weight: 93g / 3.2oz - Package Size: 13 x 9 x 5cm / 5.1 x 3.5 x 1.9in - Power Source: 1 x CR2032H Battery Package Contents: - 1 x Speedometer - 1 x CR2032H Battery - 1 x Wireless Sensor - 1 x Mount Seat - 1 x Magnet - 1 x Silicone Pad - 2 x Shockproof Cushion - 6 x Nylon Cable Ties - 1 x Instruction Manual