User manual Sylvain 28 August 2019 10:49 Updated Follow Download user manual. Mode d'emploi Start by iHealth THf.pdf 2 MB Download Related articles How to measure forehead temperature? How to mute/turn on the sound? How to change mode? Non-contact infrared thermometer - Start by iHealth THf (MDI901) User manual Comments 0 comments Please sign in to leave a comment.