Wireless Light Comparisons July 5, 2016 Manufacturer DentLight Orascoptic Designs for Vision Denmat Brand Name Nano Freedom 2 Spark XV1 DayLite Wireless FireFly Product Image Light Intensity (lux) 20,000 or 40000 20,000 20,000 29,500 19,500 Weight (grams) Lamp 5 32 12 48.2 51 Battery 30 – 60 – – Lamp Size (mm) Diameter 16 19 19 21 22 Beam Size (inch@14″) 2.8 or customized 2.8 2.8 3 2.3 Flip-up Filter (ease-of-use) √ √ √ X X Battery 2 or 4 2 2 3 2 Battery Run Time/per battery (hours) 3 or 6 3 3 2 1.5 Touch Free √ X X X X Battery Cost $25 for 2 $150 $100 $75 $295 Recharge Time (hrs) 1 2 2 1 1.8 Retail 0.8X X 2X X 0.9X Categories: Comparisons Previous comparison:Nano Model SelectionsNext comparison:FUSION Competitive Comparisons