Features 1. Mountain bike speedometer with LCD display, high brightness, allows easy viewing of ride statistics. 2. Compact size, lightweight, and good waterproof performance, suitable for outdoor installation. 3. Measures riding speed, distance, and riding time, ideal for cycling enthusiasts or fitness users. 4. Simple and intuitive interface with two buttons to access all measured values. 5. Supports common tire sizes for accurate tracking of statistical information. 6. Compatible with standard bicycles including road bikes, mountain bikes, and folding bikes. 7. Features automatic wake-up function that activates from sleep mode when bicycle vibration is detected. Specifications Condition: Item Type: Bike Speedometer Material: Plastic Color: Black Battery: 2 x 2032 Button Battery Weight: Approx. 85g / 3oz Bike Computer Console Size: Approx. 46x46x19mm / 1.8x1.8x0.7in LCD Display Size: Approx. 3x2.5cm / 1.2x1.0in Functions: SPD: Current speed; up to 99.9km/h or mph ODO: Odometer (0.001 to 99999km or miles) DST: Trip distance (range 0 to 9999km or miles) MXS: Maximum speed AVS: Average speed TM: Elapsed time (0:00:00 - 9:59:59) CLK: Clock (12H / 24H) Speed comparison Scanning: Every 4 seconds, the screen cycles through DST, MXS, AVS, and TM Speed unit setting (km/h, mph) Tire circumference setting (0 - 9999mm) Odometer/ODO last value setting (km or miles) Operating temperature: -10 to 70 Maintenance alert Automatic on/off Package List 1 x Bike Speedometer 1 x Receiver 1 x Magnet 2 x Button Battery 6 x Strap 1 x Fixed Base 1 x Protective Pad 1 x User Manual