QUANS 5W Dimmable Cool White Black Clip on LED Light D45W6B QUANS Ultra Bright 5 Watt Dimmable Clip on LED light On Off switch with dimmer (constant voltage is requested), US Plug Emitted Color: Cool White, Input Voltage : 110V AC only (110-120V) Black Tube with black cable and switch,long neck, adjustable any, Wide range dimmable, Nightlight, Reading, Working Light Cup diameter 1.89 inch,about 60 degree Beam angle, Tube Size: 50cm 19.68 inch, Strong Tube to hold. Clip on surface up to 3-3.4cm (1.18-1.34inch)