Manufacturer Name: System Sensor Product Number: P2RL OEM Part Number: P2RL Product Description: 2-Wire Horn/Stobe Wall Mount Weight:0.8lbs/362.87g The System Sensor P2RL is a compact 2-wire horn/strobe designed for wall mounting. It combines a high-decibel alarm with a bright strobe light, offering effective visual and audible alerts for fire and emergency situations in commer... https://www.partshnc.com/p2rl-system-sensor-2-wire-hornstobe-wall-mount