FASTEL (Fully Automatic Self-Testing Emergency Lighting) pioneered by P4 over 27 years ago, is recognised by the industry as the most robust, reliable and cost-effective testing and monitoring system in emergency lighting. P4 are at the forefront of emergency lighting development, providing unrivaled solutions to the requirements of customers, ensuring the safety of building occupiers, compliance with current legislation, cost savings through manpower reductions and excellent after care service by our own team of fully qualified engineers. With our 6-year battery and LED luminaire warranty, high performance LED technology, significant energy and carbon reductions, maintenance free technology, remote monitoring capabilities and our market leading FASTEL FWS solution, providing wired and wireless communications in one system, P4 offer the very best solutions for every emergency lighting need.