supply of ophthalmic chair unit the ophthalmic chair s height is adjustable. easy operation by foot control switch. all adjustments of the ophthalmic chair can be done motorized. technical specifications: seat minimum height-550mm, seat maximum height-710mm, up and down stroke-160mm, seat rotation 0 to 180 degrees, back and forward movement 95 degrees to 175 degrees, net weight- 189 kg, load lifting-200kgs, motor available 24v dc, stabilizer required-1 kva min, minimum area required-8 feet x 10 feet, optional- left side stand is also available for convenient, standard colour -blue, grey, maroon green, black., power requirements- ac input : 230 v ac 50 hz, fuses: 5a slow blow, power in va: 350 va, add-ons: slit lamp, binocular indirect ophthalmoscope, keratometer of autorefractometer, inirect ophthalmoscope and streak retinoscope, chart projector, trial lens set, sight tester phoropter , marked are available as optional accessories