Fresnel Lens, Diameter 150mm (5.9''), Focal Length 70mm, Acrylic Lens (not Glass), for Physics Classroom Education, Solar Heating, Magnifiying. (Focal Length 70mm) auspowers_batchsix it will enter the pairing

it will enter the pairing mode automatically (red and blue light flashes alternately) once the device is turned on

Size detail: each mini shuffleboard puck is 0

Easy to Use: Easy to know the charging status with LED Indicator and the charger came with a USB Cable only for Galaxy Watch 4

stretchable to prevent distortion

and 1 large pocket for books or paper

Fresnel Lens, Diameter 150mm (5.9''), Focal Length 70mm, Acrylic Lens (not Glass), for Physics Classroom Education, Solar Heating, Magnifiying. (Focal Length 70mm) auspowers_batchsix it will enter the pairingFresnel Lens, Diameter 150mm (5. 9''), Focal Length 70mm, Acrylic Lens (not Glass), for Physics Classroom Education, Solar Heating, Magnifiying. (Focal Length 70mm) Size: 150mm Thickness: 2mm Material: PMMA (acrylic) Transmission (%): 92 (from 400 1100nm) Index of Refraction nd : 1. 491 Operating Temperature (C): 80 (Maximum) Product Features 1 Pack Fresnel Lens 150mm Focal length 70mm Thickness: 2mm, Material: PMMA (Acrylic) High Light Transmittance,