‎11 inches

◈UNBEATABLE ILLUMINATION – This 150W high quality and powerful high bay light gives off industry-leading illumination! It’s commercial grade compatibility and 21,000 lumens easily make this light the best choice when it comes to wide and clear illumination! With up to 140 lumens per watt, this is easily one of the highest performing lights in the industry. On top of all this, this light is compatible with reflector （Need order separately） to provide up to 20% uplight!
◈ FAST & EASY INSTALLATION – The effortless 3-minute installation process will save you the headaches and frustration that other light installations cause. This package comes with a free American hook, 5 foot power cord, and Safety Rope to make installing this light that much easier! It also features a 110V standard American plug for easy and direct power sourcing. This will save you time and energy to work on other projects!
◈ STRONG AND DURABLE – This amazing UL certified lamp features an IP65 certified water resistant and dustproof design. It’s commercial grade, durable properties make it the toughest and most versatile light on the market. Never worry about this product being damaged from outdoor weather conditions! The pure aluminum cold forged housing provides excellent thermal transfer to extend component life and keep it from becoming damaged. It’s operation temperature is -104 to 122 degrees Fahrenheit