A top security solution that fully encloses the projector mount in a locked steel cage to prevent theft, as well as recreational damage. Three sizes are available; see PG1A or PG2 for different sized enclosures Compability: PG1-PG3 are only compatible with RPA & RPM Series. PG4 is compatible with the VCM series. Key Features: Fully encloses projectors in a locked steel cage to protect from theft or recreational damage Saves unnecessary costs and hassles caused by projector mount theft Mount with pre-existing installations without disturbing projector settings Adjustable front opening accommodates different lens positions Hinged door for easy access Accommodates roll, pitch and yaw adjustments Locks with security screws Additional security available with optional padlocks