ITEM NAME:10pcs 20mm Transparent High Power LED Lens Reflector Collimator 8 Degree K5I2 10pcs 20mm Transparent High Power LED Lens Reflector Collimator 8 Degree K5I2 Product Name: Lens Reflector Collimator Color: clear; Material: PMMA Size: 20 x 11mm / 0.8 inches x 0.43 inches(D * H); Net weight: 19g Angle of view: 8 degrees Light transmission: 95% Description: Widely use for LED spot light, car lights, DIY projecting lamp etc. Package Contents: 10 pcs x lens reflector collimator Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Widely use for LED spot light, car lights, DIY projecting lamp etc. Light transmission: 95%.