Viugreum 4FT LED Shop Lights is pay more attention to product quality.this is a great option for lighting up garage, Office, workshop, warehouse, room, etc.. Viugreum provide 5 years of replacement service, we have been manufacturing products with care to get more consumer recognition. SUPER BRIGHTNESS - Viugreum 4ft LED shop lights provide New craft and bright lighting. 40W=300W MH/ HPS, more than 4800lm output, Milky transparent light shade makes it illuminate evenly. EASY INSTALLATION - Just follow our installation instructions to mount the kit on the wall or ceiling, snap the light fixture on the steel clip. (Please note: The shop light not included plug) SAVE ENERGY - Viugreum led garage light has 40watts low power output, No flicker and good for eye protection. Perfect replace fluorescent /T5/T8 Tube light. Specification Power: 40 Watts Lumen: 4800lm CCT: 5000K CRI: >85 Input Voltage: AC 110V-120V Material: Aluminum + PC Work Temperature: -4°F to 104°F LED Chips: SMD 2835 130 ° Wide Angle Beam Viugreum LED tube light offers super bright, shadow-free and wide beam light distribution for general indoor lighting.No flickering.No mercury or hazardous materials. Product List 8 X 40W LED Shop Lights32 X screws32 X Expansion screw16 X fixed buckles8 X Installation guide Widely Applicable Suitable for indoor lighting: living room, bedroom, bathroom, balcony, kitchen, garden, private garden, commercial building, office, hotel, shopping mall, hallway, staircase, subway station, swimming pool, theater, factory, warehouse