Dual PIR radio sensor with curtain effect, colour: brown. Range 4m with aperture of 35°, advanced security RF protocol, transmission frequency 868 MHz, transmission of ''contact open/closed'', ''tamper open/closed'' and "supervision", battery status indicated with each transmission, unobstructed radio range of up to 500 m. Protection rating IP54. Dimensions (L x H x D) 280 x 38 x 30 mm. EXCLUSIVELY COMPATIBLE WITH VEDO RF RADIO MODULE, VEDO FULL RADIO AND EASY SAFE FULL RADIO