Features12-in-1 Measurement: Measures Cycle speed or cadence, 120km/h for speed or 300rpm for cadence. 2Connectivity: Connects to devices via Bluetooth or ANT+. 3LED Indicator: The LED indicator shows the working mode - red for speed, blue for cadence. 4Waterproof: With an IP67 rating, the sensor is waterproof and suitable for all weather conditions. 5Long Battery Life: The CR2032 battery lasts for a year with 1 hour of use per day.SpecificationThis smart bike sensor is designed to measure your Cycle speed and cadence while riding. It connects to your devices via Bluetooth or ANT+ and is compatible with iOS, Android phones, sports watches, and Cycle computers. Features:2-in-1 Measurement: Measures Cycle speed or cadence, 120km/h for speed or 300rpm for cadence. Connectivity: Connects to devices via Bluetooth or ANT+. LED Indicator: The LED indicator shows the working mode - red for speed, blue for cadence. Waterproof: With an IP67 rating, the sensor is waterproof and suitable for all weather conditions. Long Battery Life: The CR2032 battery lasts for a year with 1 hour of use per day. Specifications:Size: 38x30x13.8mm / 1.5x1.2x0.54in Weight: 9g / 0.32oz Waterproof: IP67 Battery: CR2032 3V 210mAh Battery Life: 1 year (1 hour of use per day) Transmission Distance: Bluetooth - 30m / 98.4ft, ANT+ - 20m / 65.6ft Package List:1x 2-in-1 Cycle Speed Cadence Sensor 2x 35mm Silicone Ring 2x 50mm Silicone Ring 2x Silicone Pad 1x CR2032 BatteryPackage List1x 2-in-1 Cycle Speed Cadence Sensor 2x 35mm Silicone Ring 2x 50mm Silicone Ring 2x Silicone Pad 1x CR2032 Battery