0 = Standard type with three alarms Optional functions 1 = With communication and additional alarm-4 Construction Dust-proof and drip-proof pront panel conforming to IP55. For side-byside close installation the indicator loses its dust-proof and drip-proof protection. Material ABS resin and polycarbonate Case color Black Dimensions (LxWxH) 10 cm x 9.6 cm x 9.6 cm Weight 1 kg Shipping Weight 5 Kg