SIMPLE SOLUTION FOR PARENTS: An easy to use, one-button operation helps in easily detecting & freeing lice & nits from the hair & scalp. The unit includes a cleaning comb, protection cap & batteries. HOW IT WORKS: The Lice Comb is designed to remove the lice/louse by using an electrical current upon contact to safely & gently remove the lice once detected. The HT15 is non-invasive & pain-free CHEMICAL FREE: The Lice Comb is a chemical-free alternative for removing head lice and nits - ensuring no harsh chemicals are being used in the removal process.