Shabboslite Clip-on Lamp features a 2 inch Clamp fits on Headboard, Table, or Shelf for Reading in Bed, Studying at a Table, Lighting Up a Child's Room or a Hotel Room on Shabbos. The Crisp White LED Light is easy on the eyes. The Gooseneck lets you direct and put the light exactly where you need it on Shabbos. The E-Z SLIDE SHUTTER simulates turning "off" or "dimming" the light and allows for Halachic "controlling" of the light. SHABBOSLITE: Shabbos Light re-imagined! LED Lighting Technology and Functional Practical User Friendly Design merge with Halachic Approval. Approved for Use on Shabbos by The Institute For Science and Halachah (Rav Levi Yitzchak Haperin) Jerusalem and Halachic Tech USA (Rav Tzvi Ortner) Boro Park, New York. Designed so well that you will want to use it all week!