This listing is for 5 units. CMH 315 Watt Light Fixtures utilize cutting edge Ceramic Metal Halide technology that increases yields and decreases heat. Light-emitting ceramic technology offers many benefits over traditional HID lighting, including reduced heat output, more optimal spectral range and reduced power usage. This fixture has 98% reflective German aluminum insert and 95% reflective textured corners for excellent output, uniformity and diffusion.Recommended with a highly efficient agriculturally engineered Philips CDM-T 315 Watt LEC brand lamp (lamp not included). Greatly improved full color light spectrum out of next generation ceramic lamps. Higher amounts of beneficial UV and far red spectrums increase the lamps growth power to the plants. Unique open rated lamp construction reduces radiant heat from the arc tube and is suitable for open fixture use. 50/60 Hz low frequency, square wave, highly efficient electronic ballast rated for 50,000 hour ballast life. Electronic ballast incorporates built in thermal protection. Includes an 8 foot 120v power cord. Reflector Dimensions: 19.6L x 14.9.3W x 8.8H. The item "5 Units CMH 315w Grow Light System GREAT DEAL" is in sale since Thursday, June 20, 2019. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics & Seed Starting\Grow Light Kits". The seller is "hurricane61887" and is located in Fort Lauderdale, Florida. This item can be shipped to United States.