They have to be hardwired into a circuit and turning it on/off only by a wall switch.
Brand
Olafus
Wattage
100W
Luminous Flux
9000lm
Color Temperature
6500K
Type of Bulb
LED
Waterproof
IP66
Beam Angle
120°
Material
Die-cast aluminum +PC
Working Temperature
-25℃ ~ +45℃
Input Voltage
100-120V AC
Product Weight
42.32 oz
Product Dimensions
11.34 x 6.931 x 1.54 inches
Package Contents
2 X 100W Flood Light
1 X User Manual
How does it turn on? Does it need a switch?
Does the light have dusk to dawn function?
No. This item is NO motion sensor, NO solar, and NO dusk to dawn, it's only controlled by the wall switch.
Can you replace the bulbs?
No, like any other led fixture you'll have to replace the fixture when it stops working.
Are these dimmable?
No
Are they 9000 lm each?
Yes
100 watts each or both in total?
100 watts each