This lens series is called 5S that is a good helper of lamps and lanterns. Available in various diameter(55/69/75MM),which meet the installation requirements of different lamps and lanterns.There are 10/24/36 degrees of light angle,prevent glare,Up to you to choose.Bring its own buckle，easy to use.

BRAND:Darkoo【达尔科】 
PRODUCT MODEL:DK5525-JC-5S
DIAMATER:55MM 
HEIGHT:8.81MM 
ANGLE:25deg
MATERIAL:PC
TEMPERATURE RESISTANCE:-35deg+120deg
MATCHED LED:CREE,OSRAM,and so on.