The C-TEC NC951\SS Single Zone Emergency Assistance Alarm Kit in Stainless Steel is a reliable and efficient alarm system designed for business, office, and industrial settings. With an IP rating of IP41 for wall mounting devices and IP21 for ceiling pull, this unit offers protection in various environments. The kit includes an onboard sounder, a power supply range of 13-13.8V d.c. to 230V 50/60Hz, and operates in temperatures ranging from -5°C to +40°C. Manufactured in the United Kingdom, this alarm kit is a trusted choice for ensuring safety and security in your facility.