http://preview.alibaba.com/product/60126396902-221967731/New_hot_selling_product_10000_lumen_100_300VAC_e40_e27_80w_led_lamp_led_corn_light.html

Specifications

high bright 40w led corn light
1.Large angle 360 deg
2.12-24VDC for solar power
3.IP Rating: IP40
high bright 40w led corn light

1.  Unique structure design, removable power supply and light source. 

2.  Aluminum fin-shape heat sinking and active air exchanging cooling system in order to speed up heat dissipation.

3.  No UV and near-IR radiation in the light beam.

4.  Very low energy consumption, Lower thermal output.

5.  Popular, ballast free, easy installation. Complies with TUV and ETL.

6.  Not suitable for dimmers, electronic switches and remote controls.

7.  Can be easily fitted instead of ordinary light bulbs.