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

Five-level anti-glare design including 11.33° small waist reflector cup and custom lenses for precise light control and soft, even illumination

Deeply recessed light source (53mm to 73mm) for glare reduction and soft light effect

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 certification (IEC/TR 62471), dual international blue light protection certifications

Flicker-free light source with intelligent constant current controller for eye comfort

Ultra-narrow 7mm bezel design for enhanced aesthetics and larger visible light area

Adjustable spotlight angle 0°–15° for flexible lighting effects (direct or wall wash)

Certified by China CCC and 3C safety standards

Easy installation with high-strength spring clips treated with anti-oxidation and protective coating

| 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 Range | 2700K – 6000K | 2700K – 6000K | 2700K – 6000K |

| Color Rendering Index (CRI) | 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

Natural light spectrum mimicking sunlight with enhanced green light (480-500nm) for eye muscle relaxation and reduced harmful blue light (400-450nm)

Anti-glare UGR < 2 ensures comfortable, bright illumination without eye strain

Customizable weekly schedules, mode names, end times, gradient effects, and brightness/color temperature endpoints

China CCC Certification

IEC/TR 62471 Photobiological Safety Certification

RGO Exempt-Level Blue Light Safety Certification

3C Testing Certification

Bridgelux Chip Certified

Compatible with Mi Home App and Xiaomi Surge Intelligent Connectivity

Supports Super Xiao Ai voice control, smart on/off, motion switch, and mobile app control

Bluetooth Mesh 2.0 for enhanced smart home integration and remote management

Easy installation with spring clips made of high-strength steel with anti-oxidation and protective coating

Minimalist integrated design for modern home aesthetics

Deep recessed light source and custom optics for superior glare control

Adjustable spotlight angle 0°–15° for precise lighting placement

Die-cast aluminum housing ensures strong and reliable heat dissipation for long-lasting performance

Suitable for residential and commercial indoor lighting requiring high-quality, eye-friendly illumination with smart control and circadian rhythm support