---
product_id: 390437668
title: "UPDAYDAY UD-4000HPS Full Spectrum LED Grow Light Plant Grow Lamp Dimmable Timer for Indoor Plants Greenhouse Bloom Veg"
brand: "updayday"
price: "VT46766"
currency: VUV
in_stock: false
url: https://www.desertcart.vu/products/390437668-updayday-ud-4000hps-full-spectrum-led-grow-light-plant-grow
store_origin: VU
region: Vanuatu
---

# 2.9 umol/J energy efficiency 1200 SMD LEDs full spectrum Built-in 1-23h dimmable timer UPDAYDAY UD-4000HPS Full Spectrum LED Grow Light Plant Grow Lamp Dimmable Timer for Indoor Plants Greenhouse Bloom Veg

**Brand:** updayday
**Price:** VT46766
**Availability:** ❌ Out of Stock

## Summary

> 🌱 Grow smarter, not harder — light your indoor jungle like a pro!

## Quick Answers

- **What is this?** UPDAYDAY UD-4000HPS Full Spectrum LED Grow Light Plant Grow Lamp Dimmable Timer for Indoor Plants Greenhouse Bloom Veg by updayday
- **How much does it cost?** VT46766 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/390437668-updayday-ud-4000hps-full-spectrum-led-grow-light-plant-grow)

## Best For

- updayday enthusiasts

## Why This Product

- Trusted updayday brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Energy-Smart Growth:** High 2.9 umol/J efficiency with only 270W power draw—grow green, save green
- • **Seamless Sync & Scale:** Connect up to 30 units for commercial-grade, centralized control
- • **Precision Light Control:** Adjust brightness 10%-100% & angle up to 30° for tailored plant care
- • **Full Spectrum Powerhouse:** 1200 LEDs spanning UV to IR for lush veg & explosive blooms
- • **Whisper-Quiet Durability:** Fanless aluminum heat dissipation keeps noise low and lifespan high

## Overview

The UPDAYDAY UD-4000HPS is a cutting-edge full spectrum LED grow light featuring 1200 high-quality SMD LEDs covering UV to IR wavelengths. It delivers energy-efficient 2.9 umol/J photosynthetic photon efficacy at just 270W, with adjustable brightness and illumination angles for optimized plant growth. Equipped with a built-in 1-23 hour dimmable timer and the ability to sync up to 30 lights, it’s perfect for both passionate home growers and commercial setups. Its fanless aluminum design ensures silent operation and extended durability, making it the ultimate tool for vibrant indoor gardens and greenhouses.

## Description

updayday UD4000 Full Spectrum LED Plant Grow Light Plant with Timer and SYNC Function will provide light to indoor plants and hydroponics plants, it will make vegetable and flowers more luxuriant, colorful and fruitful! Full Spectrum With 1200 SMD LEDs, including 470nm blue light LEDs, 660nm red light LEDs, green light LEDs, white light LEDs, UV and IR LEDs, indoor plant growing lights create the most natural sunlight effect and promote plant growth. Built-in Timer Smart timer will turn on and turn off grow lights for seed starting automatically once you’ve set it, it liberates you and saves your time. Brightness Adjustable You can rotate button DIM to adjust the brightness from 10% to 100%, no more changing the position of the light frequently. Sync Function You can connect 30 plant lights maximum, and operate the host machine to control other grow lights connected. Heat Dissipation No Fan Noise Free，quickly heat dispersing material aluminum，it protects LED plant growing lights and prolongs its service life.. Wide Application Full spectrum grow lights for indoor plants seedlings is great for hydroponics plants, succulents, veg and fruits, it can be used in greenhouse and grow tent. Specification: Quantity of LED: 1200pcs Actual power: About 400W Input voltage: AC85-277V Lumen: About 50000LM Veg coverage: 5X5FT at 18" Bloom coverage: 5X5FT at 14" Lifespan: >50, 000h Product size: 53.1 x 52 x 6.8cm / 21 x20.5 x 2.7inch Attention: - Indoor use only, non-waterproof. - Surrounding temperature MUST be less than 100°F (40°C). Package List: 1 x UPDAYDAY LED grow lights 1 x power cord 2 x Stainless steel hook 2 x Adjustable nylon lanyard 1 x Sunglasses 1 x network cable 1 x User manual

## Features

- New LED HPS FULL SPECTRUM: HPS lamp always harvest double big and heavy buds in planting,Its spectral is concentrated in yellow light 580NM, orange light 610NM red light 630NM, UPDAYDAY UD4000 HPS lamp, increasing 390NM, 660NM, IR740NM. VEG model add blue light helps plants grow rhizomes and lush leaves during seedling ,BLOOM model add IR stimulate the growth and flowering of stems,forming a multi-band full spectrum and increasing yield
- LOW CONSUMPTION/HIGH ENERGY EFFICIENCY INDOOR GROW LAMP: High efficiency with 2.9 umol/j while only consuming 270watts,More uniform coverage.BLOOM coverage 4x4ft , VEG coverage 5x5ft .If in a grow tent, over 90% of reflected light can be absorbed by plants
- NOISLESS FAN FREE AND ADJUSTABLE ILLUMINATION ANGLE: New design quickly heat dispersing material aluminum will make your growing easy and life quiet, Each light bar is adjustable up to 30° illumination angle, so that plants can get light form multiple angles
- CONVENIENT DIMMER WITH BUILT-IN TIMER:UPDAYDAY UD dimmable LED grow light so that you can adjust the brightness without frequently changing the position of the light. 1-23 hour timer for hassle-free light cycling control,timer support light time setting, time reservation , sunrise and sunset function
- SYNC CONNECTION FOR COMMERCIAL PLANT: users will enjoy easily connecting to 30 lights that can be controlled simultaneously by using one main light. simultaneously control the dimming, timer VEG/BLOOM Sunrise sunset mode , the voltage range is 85-277AC suitable for large rooms and commercial places free warranty for 1 year

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | UPDAYDAY |
| Item model number | UD-4000HPS |
| Product Dimensions | 53.34 x 52.07 x 6.86 cm; 9.1 kg |
| ASIN | B08HSCKZZZ |

## Product Details

- **Colour:** Yellow
- **Shape:** Rectangular
- **Material:** Nylon
- **Light source type:** Light Emitting Diode
- **Shade material:** Stainless Steel

## Images

![UPDAYDAY UD-4000HPS Full Spectrum LED Grow Light Plant Grow Lamp Dimmable Timer for Indoor Plants Greenhouse Bloom Veg - Image 1](https://m.media-amazon.com/images/I/710ksZ5vH3L.jpg)
![UPDAYDAY UD-4000HPS Full Spectrum LED Grow Light Plant Grow Lamp Dimmable Timer for Indoor Plants Greenhouse Bloom Veg - Image 2](https://m.media-amazon.com/images/I/91f8Sa-N9jL.jpg)
![UPDAYDAY UD-4000HPS Full Spectrum LED Grow Light Plant Grow Lamp Dimmable Timer for Indoor Plants Greenhouse Bloom Veg - Image 3](https://m.media-amazon.com/images/I/81QfGoG6D1L.jpg)
![UPDAYDAY UD-4000HPS Full Spectrum LED Grow Light Plant Grow Lamp Dimmable Timer for Indoor Plants Greenhouse Bloom Veg - Image 4](https://m.media-amazon.com/images/I/71RHj8e3nAL.jpg)
![UPDAYDAY UD-4000HPS Full Spectrum LED Grow Light Plant Grow Lamp Dimmable Timer for Indoor Plants Greenhouse Bloom Veg - Image 5](https://m.media-amazon.com/images/I/81offnz8TQL.jpg)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-17*