Push out filament from sensor and put in sharps bin.
Sensor (without filament) contains small button battery - electrical waste, i.e. my authority wants in 'battery bag' placed on top of back bin.
Applicator (with needle) with clear lid screwed - bio-hazard. Authority offers yellow bag / collection service.
Hard plastic sensor holder / container - general waste.
Cardboard box and instructions - recycle waste.