3W high power LED bulb lamp :product features: (1) lamps and lanterns working voltage can be selected according to actual situation for :24V/110V/220V. (2)only applicable to indoor illume (3)lamp and lanterns source adopts imported super bright LED lights.Built-in constant-current driving power,has stable performance. (4)remain unchanged monochrome effect. you can choose the color is:red, yellow , blue, green, white ,and warm white. Certificates: all lights are CE and ROHS certificates. Applications: (1)The product widely applies in the exhibition hall, museum , galleries and office of local lighting etc. (2)the products are applicable to bazaar, bar ambry exhibits lighting,such as jewelry , gold and silver jewelry and fashion.