We offer Overhead Projector .SpecificationsTypeTutor Image Elite SpectrumTable Top, Transmissive, Plastic CaseFoldingFold away arm and headAgertureA-4 Square, 285x285mm (11-14" x 11-14")Lens1 element3 elementFocal LengthF:290 mmF : 300 mmTilting Angle0o 55oHead Rotation360oPowerAC 220 V 240 V., 5060 HzPower Cord3m. Standard, (Special Length by request)LampEHJ 24 V 250WEVD 36V 400 WDual SocketsDual LampsCondenser x Color fringe control x DimBright Switch x Brightness (Lumen)3100330032004200CoolingForced Air CoolingSafety InterlockOverheating ThermostatState Cover x Net Weight8.4 Kgs.8.9 Kgs9.0 Kgs9.7 Kgs