indoor siren : 1Have CE certificate 2can be custom in diffrent voltage and color 3we have in this area for 17years

 indoor siren Features:1) We have electric fire bells in a series of different specifications

2)  Voice in the form of vibrato

3)with intermittent. Resistance to work long hours, no electromagnetic interference. Electrical service life

4)can be based on customer requirements, customized products with different voltage5) Welcome to E-mail us for further information

indoor siren