Siig CE-MT0X12-s1 Universal Ceiling Projector Mount - 7.9 Type: Ceiling Mount Compatibility: Universal 3-hole & 4-hole mounting patterns Specifications: Weight capacity - up to 33 lbs (15 kgs) Product dimensions - 5.9 W x 7.9 H x 7.1 D (15.0 x 20.0 x 18.1 cm) Product weight - 3.3 lbs. (1.5 kgs) Certifications/Standards: RoHS