The "S2 light take down kit" refers to 
a 
Petron S2 metal take-down bow kit
, which is an archery product, not a kit for disassembling a light or electronic device. It is designed for target shooting and can be transported easily due to its "take-down" (collapsible) nature. 
Product Details
Description: The 
Petron S2 light take-down bow kit
 is a type of archery bow made with a metal handle that can be disassembled into smaller parts for easy transport and storage, often including a case.
Target User: It features a light draw and is suitable for both juniors and adults, with the potential for use up to a club level.