TRIAL485 is a triple technology detector (MW + 2IR) for indoor/outdoor installations equipped with multifocal lens up to 15m range, under-crawl lens with direct connection RS485 serial line.
TRIAL485H is a triple technology detector (MW + 2IR) for indoor/outdoor installations equipped with horizontal lens up to 15m range with direct connection RS485 serial line.
TRIAL485V is a double technology detector (MW + IR) for indoor/outdoor installations equipped with vertical lens up to 15m range, under-crawl lens with direct connection RS485 serial line.