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.