Features: glass break and shock detection detection range up to 12m (40') lithium battery powered New Compact Glass Break Detector. GBD-II Electronics. New Ultra Compact Design. Flush Mount Installation - Optional. Outstanding Detection Range & Reliability. Crow products have achieved many awards worldwide, amongst those are the SIA Award and IFSEC Awards. In 2001 the Memocam Stand Alone Detection Base Digital Video Recording received the SIA Award and the IFSEC (UK) Award. The leading edge is owed to many years of manufacturing experience with the philosphy of employing top engineers to design high tech and top quality products backed by a product support team that is second to none. Crow technologies is contantly looking for the most advanced technologies available and looking to introduce those in over 40 countries worldwide where its products are distributed.