Specifications include, but are not limited to: 1. DXTTR III Plastic Skull (Dental Manikin Trainer): - Standard plastic skull that emulates radiographic characteristics - Teeth are firmly anchored by resilient plastic gums and are coated with radiolucent, shock-absorbing material - Outer skin is vinyl and flesh is molded in polyurethane foam directly onto the skull - Pliable tongue supported on the floor of the mouth - Mandibles are articulated mechanically - Users a lever & ratchet mechanism for opening and closing his mouth 2. Dental X-Ray machine: - Handheld and portable design - External backscatter shield and internal radiation shield designed to protect operator from radiation exposure - Simple controls for adjustment of exposure time - Custom exposure settings - Rechargeable battery