Requires 3 AAA batteries not included. Glogerm is used to teach proper hand washing included 9 LED UV Light. GloGerm Lotion is included, 3-2 oz bottles and will train approximately 50-75 students. The small particles in GloGerm are designed to be like simulated microscopic germs. When the student washed their hands they are surprised to be shown with the light that they did not do as good of a job as they thought. GloGerm has been training for over 40 years. Caution:Do not shine directly into eyes. Be sure batteries are installed properly
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