BenQ MS521 - Dimensions; Ceiling Mount Installation

Specifications
70
Dimensions
301.6 mm (W) x 111.3 mm (H) x 219.2 mm (D)
Ceiling mount installation
301.6
219.2
111.3
76
70.0
80.0
196.0
196.0
181.0
71.9
301.6
21.0
81.0
57.5
162.1
Ceiling mount screws:
M4 x 8 (Max. L = 8 mm)
Unit: mm