Wide Model Compatibility Designed to work with leading video doorbell brands, providing exact fitting and easy installation needing denial extra components Adjustable Viewing Span proposals 50° 130° side to side movement to personalize your doorbell camera ' s coverage area and keep the best watching position at entryways Drill easy Mounting Includes a special clamping approach that avoids wall drilling, perfect for both short term and long term installations in various places with neat setup Sturdy Construction Made from ABS combined with metal parts for snowproof use and longer existence in homes or business locations Improvement Built with strong clamps to securely hold matching video doorbells, lowering theft chances and improving device security, Manufacturer: Oxxggkao