20pcs led module each string, they can also be cut off on customer's requirement, be sure you cut the connect line between the strip. The controller is optional, but the battery is not included. The power supply is option al, but we we do not take responsibility for the installation, please let the profession man to install.Type: 6 LED 5054 module. LED Quantity: 6pcs each strip. Standard Cascade: 20 strip one set. Power: 0.25W / each led. Dimension: 78145mm / 3.07 0.55 0.20inch (each 6 led strip). Total length of each module with extension wire: 3m / 10ft. Dimension:85406mm / 3.35 1.57 0.24inch. 1 x LED 5054 module (20 strip one set). (remote controller and power supply are optional). This item is in the category "Home & Garden\Lamps, Lighting & Ceiling Fans\String Lights, Fairy Lights". The seller is "tumin_53" and is located in this country: US. This item can be shipped worldwide.