The 30-watt floodlight produces 3420 initial lumens, while the 50-watt unit produces 5750 lumens. The floodlight series has a high 80+ CRI, 150° beam angle and accepts 100 – 277-volt AC power ...

2. MAKE A HOLE. Make a hole in a 1m x 1m patch of sheet roofing material the size of the bottle's circumference. Insert bottle bottom down, leaving half to a third of the top part exposed to sunlight.