HOW WORKS: Can treat insect bite symptoms in a matter of seconds by heating up to 124F; Warm enough to provide mosquito bite itch relief without damaging or burning your skin. HEAT SOOTHES BUG BITE SYMPTOMS: Localized precise heat can trigger a natural response from the body to reduce itching pain and swelling; It may take a few minutes for the symptoms to subside; Up to 300 uses per battery life. HOW TO USE: Place the ceramic tip on your bug bite; Select 3 or 5 seconds; Suggest starting with 3 sec to familiarize yourself with the temperature; Heat works to reduce itching and swelling; Use up to 5x per hour with 2 minutes in between. BENEFITS OF NATURAL BUG BITE TREATMENT: Works simply via precise heat; Fast acting as compact and portable relief from mosquitos wasps and bees; Chemical-free treatment, no odor, no mess. SUITABLE FOR CHILDREN 3+ & EXPECTING MOMS: The top is made of MCH ceramic material, the heating is fast and uniform, and it is more energy-efficient than ordinary ceramics under the same heating effect. The safe material is delicate in texture and fits the skin comfortably without irritation. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin