Power Output - 20W 10W x 2Speaker Unit / Size - "Main Unit : 10.16cm (4"")/20W, Satellite : 7.62cm (3"")/10W"Impedance - Main unit : 6 O, Satellite : ..
Specifications:•Fits standard 14mm hole from mechanical door viewer•Door thickness 40-70mm•3.5" LCD screen•4 pcs. AA batteries•Viewing angle 105 degre..