GH Pro 340


The New GH 340 is specifically designed for supplemental lighting in greenhouses. It features a very small shadow effect yet covers a large area. The GH 340 is chainable and as many as 10 lights can be run from a single power drop to save on installation costs. It also features wireless two channel spectrum control and integrates with a wireless photo sensor for automated dimming depending on the amount of sunlight available. The GH 340 uses passive cooling with no fans and has an IP rating of 65. Draws 340 watts max with up to 3.0 μmol / joule efficiency.

SKU: CL_GH340 Category:


    • Industry-leading efficiency; up to 3.0 micromoles per joule
    • Wireless two-channel variable spectrum control
    • Integrates with wireless photo sensor; automatic light balancing
    • Chainable; up to 10 fixtures from one power drop
    • Fully integrated drivers; no external driver boxes to install
    • Compact design minimizes shadow effect
    • Passive cooling
    • 5-year warranty; made in California



Efficiency: Up to 3.0 3.0 μmol / joule

Power Consumption: 0-340w

Light Output – PPF: 900

Heat Output – BTU: 1080

Spectrum Control: 2 Channel Programmable (BlueTooth model only)

Data Connection: Wireless BlueTooth Mesh (BlueTooth model only)

Auto Voltage: 110-277 VAC

Maximum Current: 1.42A @ 240v / 1.22A @ 277v

Chainable: Up to 10 units

Frequency: 50-60 Hz

Operating Temperature: 0-107 F

Power Factor: >0.95

Dimensions: 34″ x 3.2″ x 3.2″

Weight: 8 lbs

LED Lifetime Rating: 50,000+ Hours

Warranty: 5 Years

Thermal Management: Passive

Dimming: 2 Channel 0-100% (BlueTooth model only)

Waterproof: IP65 Rated

Certifications: UL, CE, & DLC

*Specifications subject to change without notice