Huanyu Frame Warmer 167-323℉ Eyeglass Frame Heater Adjustable Temperature and Huanyu Frame-Less Full Screen Visual Acuity Chart Digital with Remote 21.5inch Bundle

Huanyu Frame Warmer and Visual Acuity Chart Bundle

• [Adjustable temperature] Compared with ceramic heating, our optical eyeglass frame warmer heats up faster and reaches higher temperatures (167-323°F). Please be careful to prevent burns during use.
• [Enhanced security] Huanyu frame warmer offers secondary protection to ensure enhanced safety. With its high-quality heating wire technology, this eyeglasses heater provides a flame-free heat source. To maximize safety, avoid placing it near open flames during use.
• [Clear Display & Precise Measurement] Our digital vision chart features a high-resolution LED screen with a small dot pitch (0.294mm), ensuring clear, sharp images. It also offers high precision, with an adjustable measuring distance from 2m to 6.5m and a maximum precision of 0.1m. (Image size varies with distance adjustment)
• [Multifunctional] Enjoy the versatility of our digital visual acuity chart, featuring automatic playback, vision sensitivity testing, and mirror image functions. It offers flexible installation options-choose between a flat base or wall-mounting.
• [Frame-less Full Screen Design] Experience uninterrupted visual assessments and enhanced readability, making it easier for clients to focus and achieve accurate results.