Approvals/certifications Certified to EN54 Parts 11 by the LPCB and 13 by the BSI. Supply/operating voltage 4.5-30Vdc Product dimensions (mm) 87 W x 88 H x D 62mm (includes back box). Construction & finish Red ABS. IP Rating IP42. Weight TBC. Properties Supplied with a 470Ω & 680Ω resistor (value selected by wiring connection). Operating conditions/temperature -30ºC to +70ºC.