The Inami K-3437 is a wireless remote-controlled visual acuity testing device, commonly used in ophthalmology clinics. It allows examiners to control the vision chart remotely using infrared remote controls, making eye exams more efficient and hygienic. ✅ Key Features Wireless Operation: Uses an infrared remote controller (desktop or handheld) to operate the vision chart from up to 7 meters away. Multiple Chart Types: Displays standard Landolt rings, Kana characters, astigmatism tests, and red-green duochrome tests. It supports 14 vision steps (0.1 to 2.0 visual acuity). Flexible Display Modes: Offers single optotype, horizontal line, or vertical column display of test characters. Two Distance Models: Available in 5-meter and 3-meter versions. Both models have identical outer dimensions and features. Technical Specifications Main Unit Size: 440(W) × 78(D) × 1150(H) mm Weight: Approx. 20 kg Power Supply: AC100V, 50​/​60Hz Power Consumption: 200 VA Remote Controller: Desktop: ~1 kg Handheld: ~290 g (without batteries) Included Accessories: Remote controller 4 AA batteries Power cord Mounting screws Spare bulbs (12V 5W) Fuses (2A) User manual Options: Auxiliary remote L-type stand Control desk ⚠️ Usage Warnings Should only be used by qualified ophthalmic professionals. The device must be securely mounted to prevent tipping or falling. Do not disassemble or modify the unit. Always replace bulbs safely, as they can become hot during operation. Use alkaline batteries only in the remote control; do not mix old and new batteries. Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.