Features: 1. Heat Collection Technology: The bug bite relief pen uses intelligent control technology and infrared heat-collecting micro-chip, and physiotherapy face using medicals grade thermally conductive materials, to ensure the safety of users. 2. Superior Material: The whole therapy without any additives, or chemicals, provide a healthy, safe, and effective anti-itch. There are 5 adjustable levels, from low temperature to high temperature, choose the appropriate temperature according to your own tolerance. 3. Portable: Their pen-shaped and lightweight design allows them can be put in your pants pocket, backpack, bag, suitcase, box, etc. 4. Suitable: Fit for kids and adults, can be used in your home, travel, outdoor play, hiking, picnic, BBQ, and so on. 5. Note: The anti-itch onset time is slightly different depending on the individual's physical metabolism. You can increase the number of times according to your own situation. Specification: Material: Plastic Color: White Battery: 2 x AA Battery (Not Included) Product Size: 14cm Product Weight: 29g Package Included: 1 x Bug Bite Relief Pen