Catalog > Consumer Electronics > Security & Alarms > Alarms > Miscellaneous Fire Release Switch Fire Release Switch Red Switch with Buzzer and LED EFP 300 FIRE Key Resettable Call Point Red Fire Release Switch with Buzzer and LED 250.80 ZAR inc for 1 Each 21 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Operating Voltage: DC12~24V Operating Temperature: -10°C~+50°C Alarm Impedance: 280 , 470 Operating Current: 1mA Connections : Two wire connection for easy installation Color: RED+LED+COVER Size:92x92x48mm Downloads User Manual - EFP 350 EMERGENCY PDF File 47.97 KB