With projection lens of f-300 mm providing projection distance 1-4 meters. Twin 24 V, 250 W halogen lamps with a shifter assembly to change from one to the other. High low-intensity switch is provided for lamp intensity. Power is automatically cut off when top cover is opened. Folding (detachable parts) with handle to carry around. Dimensions 340 x 310 x 250 mm.. Complete with cellphone role attachment, writing pack, vinyl cover etc.