Item/model: HM 26F/HM 36F Type: portable, reflective Folding: fold-in projection head postsAperture: 285mm*85mm Objective lens: f=280-340mm, vary-focal lens Lamp: HM 26F: EHJ 24V 250W; HM 36F: EVD 36V 400W Dual sockets/dual lampsIllumination (central lumen): HM 26F: 3000 lumens, HM 36F:4000 lumens Head rotation: 360 Tilting angle: 0-60 degrees 9 leveling adjustment: yes Keystone adjustment: yes (18 in sector)Retractable transparency locating pins: yes Overheat thermostat: yes Brightness switch: yes Cooling system: dual-fan forced air-cooled Power supply: AC 110V, 220/230V, 230/240V, 50/60Hz Power cord: 3m standard detachable power cable, special length upon requestNet weight: HM 26F: 5.6kg; HM 36F:5.6kg Dimensions: 430*313*93mm Packing size: 560*480*210mm