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 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 Improvement Built with strong clamps to securely hold matching video doorbells , lowering theft chances and improving device security Sturdy Construction Made from ABS combined with metal parts for snowproof use and longer existence in homes or business locations, Manufacturer: ERRORY