Werma signaltechnik base or wall mount multi tone siren 105db werma signaltechnik 15300060 the werma signaltechnik 15300060 is a base or wall mount multi tone siren that has an adjustable sound output from 100 to 105db making it ideal for large or small areas the product can be mounted using the basebracket to walls or machines werma signaltechnik 15300060 siren bwm continuous tone 85mm 115 230vac ip66