iGPSPORT Speed or Cadence Sensor, Bluetooth ANTWireless Waterproof Cycling Sensor, Compatible with Bike Computer Stationary Bike

Specifications: Sensing device: high sensibility speed sensor Drop shock: fall naturally within 1. 5 meter Weight: 7. 8g( including batteryDimension: 35. 4x33x10. 8mm Waterproof: IPX7 Battery: 300H Wireless transmission: BLE5. 0/ ANTPackage List: 1 x SPD70 1 x Silicone Strap 1 x CR2025 Battery 1 x User Manuel.