BOSCH FIRE FNM-420V-A-WH Low-absorption LSN/LSNi voice siren, color

Low-absorption LSN/LSNi voice siren, white color. If used with batteries (not included but available separately), the operation of the siren is guaranteed, for 30 minutes, even if the loop line is interrupted on both sides. 32 tone variants and 7 already integrated languages (Italian, English, German, French, Spanish, Portuguese, Dutch) are available. 4 messages for each language included. Possibility to create up to 28 programmable signals. Every signal programs