Special Doorbell Mount: ONLY designed for Blink Video Doorbell,perfect for apartments, offices, rentals and dormitories (NOTE: Not include Blink Video Doorbell) All New Design: Upgraded slide up and down for blink doorbell camera mount.The package includes four sets of "NO SOLICITING" and "DO NOT DISTURB" signs.These signs help deter salespeople and reduce disturbances that could wake a sleeping baby or dog Compatibility Door: AHBTEYM blink doorbell mount no drill compatibility doors that be opened inward! Iron security door & doors & screen doors & Glass door can not use.NOTE: Door thickness must be between 1.4" and 2.3". The distance between door and door frame is more than 0.06".Please measure before purchasing to make sure it fits your door No-Drill & Easy Installation: Simply place the blink video doorbell inside and slide it over your front door, then adjust the fixed clip according to your door thickness.The silicone pad on the back of the door bell mounting bracket provides optimal friction to keep the bracket stable and secure Premium Material: for Blink doorbell holder is made of premium hard plastic cover & back panel and metal. It is tight and secure. All the holes of blink doorbell cover are well designed and won't block doorbell sensors and two-way audio, Weight: 0.440924524 Pounds, Manufacturer: LIXSAZSE