Profile: Strain Security & Night Vision is a provider of solutions for police, military, government and private sector security & surveillance entities. We are an ISO 9001 certified company. Our product line includes wired & wireless audio & video transmitters, wireless night vision video surveillance systems, radio frequency / video recording briefcase systems, telephone & cellular phone scramblers, countermeasures & RF surveillance systems and laser rangefinders. We offer encrypted audio transmitters & receiver kit, telephone logging & recording system, weatherproof antennas, wireless intrusion detection system, digital video recorder and recording systems. Our ST-TVS-2 Micro is a miniature tactical voice encryption module with ANI selective call, status & location system.