Surface mount the bracket when unable to drill hole in the door frame. Thickness of door : 9mm - 12mm. Installation of electromagnetic lock for in-swing door use. User is able to pair up the relative position according to the actual condition Only suitable for out-swing door and door frame with insufficient width for installation. (Please refer to SL-200 and SL-220 installation diagrams for door frames width to install) BR-200L needs to pair up with SL-200 electromagnetic lock. BR-220L needs to pair up with SL-220electromagnetic lock. 2 installation methods for actual installation environment to adjust.
