This particular clock-spring comes without the angle sensor, however you can re-use the sensor from your original part.
 
VOLVO S80 ( 124 ) MK2 2006-2016
 
OEM: 31313854, 31343218
 
Specifications:
Brand: NTY
Manufacturer Part Number: EAS/VV/020A, 1VVEAS
Items Included: Steering Wheel Sensor
Type: Installation Kit
Functions: Multifunctional
Classic Part: No
Material: Plastic