Each sport has a different size playing surface and lighting requirement for different levels of play. Below is a list of recommended units corresponding to sport/activity. Pickleball Recreational/Residential: 2 eTowers Class II Competitive: 3 eTowers Class I Professional Competition & Broadcast: 4 eTowers Volleyball 1 eTower will provide 11 foot candles of coverage however there will be shadow imbalance. 2 eTowers will provide 20 foot candles on a 30 x 60 ft. playing space good for most levels of play 4 eTowers provide 40 foot candles on a 27 x 54 ft. playing space, good for the highest level of play. Tennis Class IV Recreational: 3 eTowers or 14 foot candles on a 36 x 78 ft. playing space Class III Residential/High School: 5 eTowers or 23 foot candles on a 36 x 78 ft. playing space Class II Club Competition & Commercial: 7 eTowers or 33 foot candles on a 36 x 78 ft. playing space Basketball 1  eTower for recreational half court practice at 7.5 Foot Candles 2 eTowers for recreational full-court coverage of 96 ft x 50 ft at 9 Foot Candles 4 eTowers for full-court coverage of 96 ft x 50 ft at 18 Foot Candles 8 eTowers for High School/Collegiate full-court coverage of 96 ft x 50 ft at 30 Foot Candles Recreation Camping & Recreational Vehicle Lighting 1 eTower will generally cover around 2500 square feet. This will be enough to meet the requirements to play most games, activities, entertainment, and bbq needs.  Spikeball, Cornhole, beer dye 1 system will generally cover (2) playing courts for these games.