Stanley 95-891 Heavy Duty Clamp Light Clamp feature provides hands-free use; patent-pending Clamp opens to 3-1/2-inch wide to allow for gripping onto ceiling beams, floor joists, and table tops 350-Degree rotational head with 120-Degree tilt focuses light where it is needed most Powerful flood lighting will illuminate a large work surface 2 or 4 Cell battery technology-patented; uses 4 C batteries