C-TEC CAST Red Compact W-3-3.1 Light, Wall VAD c/w 96dB(A) Sounder, LPCB certified to EN54-3, 17 & 23 and Kiwa Telefication certified to EN54-13, Onboard short-circuit loop isolator., 12.5mA typical alarm current (460µA typical quiescent current) @ 27-40V DC (VAD lit, sounder on max), IP21C rated