DIGITAL EQUIPMENT FOR VISUAL ACUITY EXAMS; VOLTAGE: 127VAC; FREQUENCY: 60HZ; DISPLAY: W;QUANTITY EXAMS: 12; DIMENSIONS: 457.20X304.80X406.40MM USE: ADULT/CHILD; SCREEN: BINOCULAR MONOCULAR, NEAR, DISTANCE, INTERMEDIATE/PERIPHERAL; REMOTE CONTROL: C/COMPOSED BY: ACCESSORY KIT DUST COVER, POINTER, LENS CLEANER, HEAD SUPPORT TISSUES, REGISTRATION FORMS, INSTRUCTION MANUAL;STANDARD BLADES PACKAGE WITH 12 TEST BLADES; MANUFACTURER/REFERENCE: STEREO OPTICAL/OPTEC 5500P