660nm Red Spectrum & High CRI 89 : This hanging grow light delivers a high CRI of 89 , emitting a bright daylight-white output that closely mimics natural sunlight for healthy plant growth. Integrated 660nm red-spectrum LEDs support plants through various growth stages, from vegetative development to flowering. Built-In Timer & Pendant Installation: Designed for simple setup and daily convenience, this pendant grow light includes a 16.4 ft power cord with cord grips for easy hanging. Just plug it in and select the built-in timer. Choose from 4H / 9H / 14H timer settings, which can be programmed to automatically repeat every day. Safe, Durable & Reliable Performance: The grow light features a sturdy aluminum lampshade with anti-scratch protection and excellent heat dissipation to extend product lifespan. It is engineered with electric shock protection and a V0 flame-retardant rating, ensuring safe and dependable operation for indoor gardening.