Key features

• •** Industry's first 2.5-inch large-size ILM surface screen, Shown as a glass-like, clear and transparent. Attractive design: Curved surface,slim，avoid scratches.Use Abrasion resistant and anti-drop material,Looks cool, more practical
• •**800mAh USB rechargeable battery,120 hours work time without backlight. Born for fitness training , competition and cycling enthusiasts,
• •**Standard speed+cadence dual channel sensor,Cycling data display and storage:Include :current / > max / average value of Speed,Cadence / Heart rate/ODO / Trip distance/Hours / Temperature
• •** Regular cycling / LAP modes, best for cycling exercise,LAP record and review function.Easily store and view training records for different time periods,Support external Heart Rate sensor (not include Heart Rate sensor)
• •Heart Rate Sensor： Products include: sensor host × 1, chest strap × 1, CR2032 battery × 1 (installed) Host size: 60.5*34.5*11 Wireless interface: Bluetooth 4.0, ANT+ Chest strap size: 62-94cm (±2cm) Battery model: CR2032×1 Heart rate unit: bmp Heart rate range: 30-240bpm Heart rate accuracy: ±1bpm Waterproof level: P67 anti-splash When battery life: 800ur "temperature and use environment