• Installation Size: 1/2" Dia.

• Material: Brass

• 160 Degree Viewing Angle

• For 1-1/4" To 2" Thick Doors

• Used To Allow A User To Identify Visitors From The Security Of A Locked Door

WARNING: This product can expose you to chemicals including diethylhexyl phthalate (DEHP) which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.