Completely independent and works even in case of power cut thanks to the battery 12V1 kept in charge by the supply 220Vac. The sound power of the VP21, that is of 120dB, is particularly dissuasive. A flash shows the state of the siren. Anti tamper opening box.Electro dynamic siren for outdoor use with battery back up. Powered by 230Vac/dc power supply. Acoustic power 120db/m. Manufactured in polycarbonate outer container and stainless steel inner container. Microprocessor controlled. Tamper proof against wall and cover removal. This unit will automatically arm after installation. Acoustic and optical signals of status system. Self learning channel. Approved receiver module. SMD technology. Frequncy 433.92 Mhz. The siren emits the same sound for burglary, hold-up and fire alarm.

Options :
For more efficiancy and to simplify your choice of the requested products, we automatically offer accessoiries, complementary or matching products. (batteries, cables, accus, etc...)

Equivalent products :
If the requested product is no longer avaiable we offer the following listing of equivalent products.