Securichain Securichain Securichain Securichain Securichain For use with standard hinged, inward opening doors with a minimum thickness of 34mm. The design and function of the product is ideal for use in residential or hotel applications to view before greeting a visitor. Features: Concealed fixing screws into the door frame Any impact forces are imposed in a sheer action of the fixing screws allowing a greater resistance Visual unlock indicator Activated by a simple on/off switch NZ made Documents | Downloads MC41 Securichain - Installation Instructions.pdf (.pdf, 168 kB) MC41 Securichain - Technical Information.pdf (.pdf, 497 kB) Close Ordering Description Finish Part Number Securichain Sation Chrome MC41SC Securichain Florentine Bronze MC41FB Securichain Polished Brass MC41PB Close Door Viewer DoorboltThe MC11 Doorbolt is an additional security device design… Look Digital Door Viewer™ with WiFiAnswer Your Door. Anywhere. Anytime.