PT-SC2-R-220,PT-SC2-R-120,PT-SC2-R-24,一体化声光报警器


W7(7种警告音)


V-外音量调节







　


蓝-B


120-AC120V


W12(12种警告音)


KV-开关控制+外音量调节

01/21 11:23