USB LED Grow Light for Indoor Plants and Hydroponic Systems | Lersk

Compact USB-powered LED grow light designed for indoor plant cultivation — intended to support plant growth in low-light environments using a full-spectrum red and blue LED array. Flexible gooseneck design allows precise light positioning over any plant or tray. Plug-and-play via any standard 5V USB port. Suitable for home, desk, and small greenhouse setups.

21-LED Full Spectrum Array — Red + Blue Features 14 red LEDs (620–750nm) and 7 blue LEDs (420–500nm) — wavelengths commonly used in horticultural lighting research. Red light is intended to support flowering and fruiting stages, while blue light is designed to promote vegetative growth and compact structure.

USB Powered — Universal 5V Compatibility Operates on DC 5V input — compatible with any standard USB port including PC, laptop, power bank, USB hub, or wall adapter. No dedicated power supply required.

Flexible Gooseneck Design — 18cm Adjustable gooseneck arm designed to position the light precisely over the target plant or grow area. Holds its position without slipping during use.

Plug-and-Play — No Setup Required Connect to any USB port and the light activates immediately. No drivers, apps, or configuration needed.

Long Service Life — Up to 50,000 Hours LED array designed for extended use with low energy consumption — intended to reduce running costs compared to traditional grow lamp alternatives.

Wide Plant Compatibility Designed for use with a range of indoor plants including herbs, succulents, cacti, bonsai, seedlings, flowers, and hydroponic systems. Suitable for desk plants, small grow tents, and greenhouse shelves.

Technical Specifications — LED quantity: 21 LEDs (14 red + 7 blue) — Wavelengths: Red 620–750nm / Blue 420–500nm — Input voltage: DC 5V — Power source: USB — Body material: ABS + Aluminum — Length: 18cm gooseneck — Dimmable: No — Service life: up to 50,000 hours — Certification: CE, CCC

What's Included 

 1 × USB LED Grow Light