Motion Sensor: This Barrina BS84 LED shop light features a motion sensor that activates when it detects heat emitted by movement within 14FT. It remains on for 10 minutes after motion stops, eliminating the need for pull cords or switches 5000K 10000LM Daylight White: Barrina 4FT LED garage lights are 10000 lumens output at 5000K daylight, 84W, low power consumption and efficient heat dissipation Easy Installation: Plug in with a 59" power cord. You can hang LED garage lights with the included hanging chain or mount it directly to the ceiling with the included mounting screws Linkable: This 4FT shop lights use plug to connect up to 3 pcs together in your garages, workshops, workbench areas, storage areas, warehouses, basements, equipment rooms, etc Long Hanging Chain to Control Switch: Barrina led shop lights 4FT come with an 7.48" long hanging chain switch to easily light up your garage,workshop, workbench, warehouse, just pull the chain to control the switch with ease Barrina Motion Sensor LED Shop Light for Workshop 4FT，2 packs