When clamped onto the grill, nearby deck rail or table, and adjusted to the desired angle, this weatherproof light generously illuminates the grilling surface. Its' 35 watt Sylvania Halogen Bulb casts a clean, white light that renders colors accurately, enabling the chef to properly judge doneness. It's also excellent for use as an outdoor reading lamp; for accent lighting or as a work light. Puts light where you need it . . . . . safely outdoors. As used by Barbecue'n On The Internet!