The Kaiser RB 104 Copy Light Set with four reflectors is for use with photoflood lamps up to 250 watts each. Lights can be switched separately. Lights can be tilted and shifted. Horizontal lamp arms can be adjusted continuously in height. Vertical lamp arms with height markings, tiltable 72 degrees from vertical with detents. Mounted with strong die-cast clamp bases to baseboards up to 1.9-inches thick. Supplied without lamps.