Grill All Night Long....Literally This handy portable bbq grill light uses a standard 5 fluorescent bulb and 4 AA batteries (all included replacements readily available) to provide convenient lighting anywhere. Energy efficient and cool fluorescent conserves power. Typical life 2-3 hours continuous a whole summer with intermittent on/off operation. Clip the light onto any shelf up to 1? thick and bend the 18-inch adjustable goose neck to the desired angle. Stainless steel housing and large 1" mouth metal mounting clip usable rain or shine.