Optical Elite Digital Visual Acuity Eye Chart,4K Visual Acuity Tester for TV/Monitor, No PC Needed,Auto Randomize & Mirror Modes, Plug & Play Portable Vision Testing Kit,RF Fluorescent Remote Used
Wide compatibility: This all-in-one eye chart is designed to work with all kinds of screens, without the need to connect to a computer. Its compact structure makes installation easier and is compatible with all types of monitors. (With HDMI interface)
Plug and Play: Smart calibration technology ensures compatibility with any monitor or TV, providing multiple chart functions for a seamless testing experience.
Comprehensive test: Covers Ishihara test, cross cylinder, red-green balance, fixation, astigmatism, cross grid, coincidence, Schuber, Voss 4-point, red-green board, traffic light, etc. Supports continuous testing within a distance of 1m to 7m, randomly arranges the vision chart, provides imperial or metric options, and has randomization and mirroring functions.
RF Wireless Remote Control: This compact remote control supports one-handed operation, displays video, audio and pictures, has custom storage and 5G storage, uses 2.4G RF wireless technology, does not require aiming, and can be powered by USB or charger, making operation easy and intuitive.
Software Updates and Warranty: Enjoy lifetime free online upgrades for all software, plus a generous 5-year warranty for peace of mind.
Refurbished (excluding display) The product has been refurbished to a near-new state, and all functions have been 100% tested and confirmed to be intact. The remote control or host shell may have slight scratches or wear, which will not affect normal use.