Yeelight Yilai Smart LED Dimmable Recessed Downlight Anti-Glare Full Spectrum Eye Protection Downlight M4 Max 4.0

Five-layer anti-glare design including 11.33° small waist reflector cup, custom lenses, and deep hidden light source (53mm to 73mm) for soft and even illumination

Advanced LED chip packaging technology with 99.999% pure gold wire from Heraeus, double-layer phosphor coating, resulting in 20% brightness increase and 10% lower chip temperature

RGO exempt-level blue light safety certification (IEC/TR 62471), dual international blue light protection certifications

Flicker-free light source with intelligent constant current controller

7mm ultra-narrow bezel design for enhanced aesthetics and larger light-emitting area

Adjustable spotlight angle 0°-15° for flexible lighting effects

High-strength steel spring clips with anti-oxidation and protective coating for secure and damage-free installation

Die-cast aluminum housing for efficient heat dissipation

Certified by China CCC and other national quality certifications

| Model | M4 Youth Edition | M4 Plus | M4 Max |

|----------------|------------------|------------------|-----------------|

| Product Type | Smart Downlight / Spotlight | Smart Downlight / Spotlight | Smart Downlight / Spotlight |

| Rated Power | 10W | 12W | 12W |

| Dimensions | Φ85 x H85 mm | Φ85 x H85 mm | Φ85 x H85 mm |

| Cutout Size | 75 mm | 75 mm | 75 mm |

| Color Temperature | 2700K - 6000K | 2700K - 6000K | 2700K - 6000K |

| Color Rendering Index (Ra) | Ra95 (Youth) | Ra97 (Plus) | Ra99 (Max) |

| Luminous Flux | 460 lm (Youth) | 500 lm (Plus) | 500 lm (Max) |

| Input Voltage | 220V~/50Hz | 220V~/50Hz | 220V~/50Hz |

| Housing Color | White + Gray | White + Gray | White + Gray |

| Housing Material | Die-cast Aluminum + PC | Die-cast Aluminum + PC | Die-cast Aluminum + PC |

High fidelity color rendering with R9=94.4, R12=95.8, Rf=100, Rg=98.2

Enhanced green light (480-500nm) to relax ciliary muscles

Reduced harmful blue light (400-450nm) while preserving beneficial red light

Natural light spectrum closely mimics sunlight for eye comfort and health

UGR < 2 ensures minimal glare and visual fatigue

Compatible with Mi Home App and Xiaomi Surge Smart Link ecosystem

Supports voice control via Super Xiao Ai

Bluetooth Mesh 2.0 for seamless smart home integration and remote control

Customizable lighting modes including Warm, Reading, Cinema, and Circadian rhythm modes

Easy installation with spring clips treated for durability and protection

Suitable for various indoor lighting scenarios

Adjustable spotlight angle for precise lighting placement

China CCC Certification

IEC/TR 62471 Photobiological Safety Certification

RGO Exempt-level Blue Light Safety Certification

Data based on laboratory testing; actual performance may vary slightly due to testing conditions

Designed to provide comfortable, natural, and eye-protective lighting for home environments