4 in 1 Combo Wall plate siren

– All in one: siren, buzzer, blue LED strobe and LED steady
– Sound pressure level selectable
– LED colour: blue (standard) or red (part number WP15R)
– Standard GPO back plate; also can be fit in a standard mounting block (35mm)
– Siren and strobe: door forced open alarm
– Buzzer: door open or held open beyond the permitted time duration
– LED steady: door status (open or close)