ELMO HYDRA4 Supervised wireless siren

Supervised wireless siren HYDRA4 is an outdoor supervised

radio siren equipped with a high-power two-tone horn and is compatible with the HELIOS and VILLEGGIO series control units, with the RX‑TX HALENTE and HALLEY wireless units and with the TXSIR wired transmitter. Thanks to its small size, the flashing light with high brightness LED lights and the operating range of 150 meters in the open field, HYDRA4 is a siren suitable for any type of installation, both residential and civilian-industrial. It has protection against opening the front cover and removing it from the wall thanks to a built-in anti-tamper micro switch