销售商型号制造商功能描述价格 Allied Electronics LR5-BW Patlite 50mm; 24VDC; Buzzer Unit; Off-White +1:$53.36+5:$52.29+10:$51.24 Allied Electronics LR5-BW+B0960 Patlite 50mm Buzzer Unit, 2 Tones/Alarms, 24VDC, Off-White, UL/CE/IP65 +1:$58.25+5:$55.94+10:$54.79LR...