Same Features as The Braun thermometer mouthpiece cover's ultra-thin top film ensures highly accurate results. For all Braun ThermoScan models The earmuffs thermometer are compatible with all Braun Thermoscan models, including Braun Thermoscan lf20, ExactempThermoscan 7 IRT 6520, IRT6020, IRT6500, Braun Thermoscan 3 IRT3030, IRT3020, IRT4020, IRT4520, etc. High-recyclable material QualityBPA-free, safe for everyone, including children, babies and infants. In addition, the earpiece head made of soft material is elastic to protect the child's soft eardrum. Reliable and AccurateProtect the eardrum thermometer from scratches and other impurities that may affect the readings of temperature. In addition, the reduction of contact with the lens extends the life of the thermometer. Hygiene and safety The refill cap reduces the risk of bacterial transfer and contamination. To avoid cross-contamination between different users, the ear thermometer probe cap should be replaced after each use. Note: To prevent the cap from falling off, please refer to the fourth picture for how to use.