Zetlight E200S WiFi

The Zetlight E200S WiFi is a high-efficiency LED light designed specifically for macroalgae cultivation in marine aquariums (refugium systems). It delivers a targeted light spectrum optimized for rapid algae growth, helping to naturally reduce nitrates and phosphates.

With built-in WiFi control and compatibility with the Horizon mobile app, users can remotely manage lighting schedules, intensity, and spectrum settings for optimal performance.

Features

• WiFi Smart Control

  • Control via Horizon mobile app (iOS & Android)

  • Remote access through cloud connection

  • Programmable lighting schedules and spectrum adjustment 

• Optimized Algae Growth Spectrum

  • Designed with peak wavelengths between 450–480nm and 580–650nm

  • Ideal for Chaetomorpha and macroalgae growth 

• Full Spectrum LED Array

  • Balanced mix of white, blue, and red LEDs for maximum efficiency

  • Enhances photosynthesis and nutrient export

• Energy Efficient Design

  • Low power consumption with high output efficiency

  • Suitable for continuous refugium operation

• Wide Coverage

  • Covers up to 45–60 cm (18″–24″) depending on mounting height 

• Water-Resistant Build

  • IP64 rating for safe use in humid sump environments

• Flexible Mounting

  • Includes adjustable gooseneck bracket for easy positioning

Technical Specifications

General

• Model: E200S WiFi

• Type: Refugium / Macroalgae LED Light

• Application: Marine aquariums (saltwater)

Electrical

• Power Consumption: 20W – 24W 

• Voltage: AC 100–240V / DC 24V 

Lighting Performance

• Total Lumens: ~1800 lm 

• Spectrum Range: 450–480 nm / 580–650 nm

LED Configuration

• 14 × White LEDs (3800K–4200K)

• 14 × Blue LEDs (455–460 nm)

• 28 × Red LEDs (620–625 nm)

• 28 × Deep Red LEDs (660–670 nm) 

Physical Dimensions

• Size: 8.6″ × 6.0″ × 0.73″ (approx. 21.8 × 15.3 × 1.85 cm) 

Coverage

• Recommended: 18″ × 18″ (45 × 45 cm)

• Max coverage: up to 36″ × 24″ (90 × 60 cm) 

Protection

• Waterproof Rating: IP64 

What’s Included

• 1 × Zetlight E200S LED Panel

• 1 × Mounting Base Bracket

• 1 × Flexible Gooseneck Arm

• 1 × Power Supply 

Applications

• Refugium lighting

• Macroalgae cultivation (Chaeto, etc.)

• Nutrient control (nitrate & phosphate reduction)

Advantages

• Smart WiFi control with app integration

• Optimized spectrum for fast algae growth

• Energy-efficient and compact design

• Easy installation and flexible mounting

Notes

• Not intended as a primary display reef light

• For larger refugiums, multiple units may be required