Check the listing for details. Ring Wired Doorbell PRO mount (formerly Ring PRO2) Custom spacer 0.5"-3.5". Condition: New. Listed at 10.99 USD. Ring Doorbell Mount Compatible with Wired Doorbell PRO (formerly Ring PRO2) This part will not work with Ring Wired Doorbell Plus (Formerly Ring PRO). For Ring Wired PLUS please click HERECondition is New. 3D printed. (Please note that minor imperfections may be present, mainly on internal walls, due to the additive manufacturing process)• NOTE: This spacer designed for recessed mounting surfaces when you need to improve camera's field of view. Using this spacer you can install your doorbell off the wall to eliminate side obstacles, brick wall, etc. (Please see pictures for details) Please mind doorbell size which will add about 5/8" to the whole assembly. Example: if your side obstacle is 2.75" then you need 2.25" spacer to clear the view. (see pictures)Customizable length straight spacer from 1/2 up to 3.5 inches depth.