OUTDOOR SIREN. SATEL's SP-4003 R OPTICAL-ACOUSTIC. Satel's SP-4003 siren is designed for outdoor installation. The optical and acoustic signals are triggered independently. It has tamper protection against opening the enclosure and removing it from the mounting surface. FEATURES: . processor control; acoustic signaling: piezoelectric transducer; optical signaling: super-bright LEDs; inner metal cover; tamper protection against:; removing it from the mounting surface; opening; Technical data. Supply voltage: 12 V DC 15%; Maximum current consumption during optical signaling: 270 mA; Maximum current consumption during acoustic signaling: 250 mA; Maximum current consumption during optical and acoustic signaling: 520 mA; Sound pressure level (from 1 m distance): up to 120 dB; Environmental class according to EN50130-5: III; Operating temperature range: -35°C..+55°C; Maximum humidity: 93.3%; Housing dimensions: 148 x 254 x 64 mm; Weight: 894g; It is possible to purchase the siren in blue or orange for the same price. Both colors have an extended delivery time. If you need additional elements such as an alarm cable, additional keypads, GSM modules, or other alarm accessories, you will find them in our other auctions.