Waterproof 100 watt 12 volt LED Power Supply required by the LEDs and protects them from line-voltage fluctuations Lenght: 8 5/8 inch, Height: 1 3/4 inch, Width 2 3/4 inchFor the 150Watt Power Supply please check the following Amazon linkhttp://www.amazon.com/gp/product/B00COXADJEAttentionThis listing is for LED Light Bulbs manufactured by USABulbStoreAnd marketed under the ECO-LITE(TM) brand name.All trademark and copyright laws apply.