Product features:Door opener Symmetrical design (can be used on the right or left) Compact design Perforated striking plate with locking mechanismTechnical specifications:8 - 12 V~/= (0.8A) Strike plate 250 x 25 x 3 mm Latch length 46 mm Box dimensions. 28 (depth) x 90 x 20 mm Short-term load 20 sec. approx. 12 OhmInstallation note:Note: