MR100RL/BLACK Outdoor Siren with Battery. The set includes: MR100RL/BLACK siren; Battery: YES; Mounting pins; User manual (EN, PL); The MR100BL/MR100RL BLACK siren is an outdoor device designed for use in burglary, panic, and fire alarm systems. The acoustic signal is generated by a highly efficient piezoelectric transducer. The optical signal is generated by two very bright LEDs. The housing is tamper-proof and protected against removal from the mounting surface. The siren has a highly durable housing thanks to the use of a 70/30% polycarbonate and ABS blend. The device is well protected against adverse weather conditions thanks to the appropriate impregnation of the electronics. Product features: The siren is designed for outdoor installation. The housing is made of polycarbonate, which ensures high mechanical strength and an aesthetically pleasing appearance. Thanks to appropriate impregnation, the electronics system is also resistant to the effects of harsh environmental conditions;; it is equipped with separate inputs for triggering acoustic and optical alarms. Various pin connection combinations using jumpers allow you to select the appropriate alarm trigger methods;; it is equipped with super-bright LEDs, a piezoelectric transducer, and a 115 dB acoustic alarm.; two types of acoustic alarm tone can be selected by changing the jumper;; three types of alarm duration can be selected: 1 min, 4 min, or 16 min;; it has three LED flashing statuses;; it has two types of tamper protection (opening the housing and tearing off the wall).; other colors of alarms available: white or black housing with red or blue LEDs (see our other auctions);; versions of the alarm are available with and without a built-in battery (see our other auctions);; Technical specifications: supply voltage: 12V DC (20%) (13.8VDC); max. current consumption: 500 mA; sound pressure level (from 1 m distance): 115 dB; operating temperature: -35 degrees C.. +55 degrees C; max. humidity: 93% (3%); battery type: 12V 1.2Ah; housing color: black; LED color: red; dimensions: 250 x 155 x 67 mm; weight: 1120 g; THE BLACK SIGNAL FITS WELL ON A DARK BUILDING FACADE. VARIOUS VARIANTS ARE AVAILABLE: - BLACK / WHITE HOUSING. - RED / BLUE LEDS. - WITH BUILT-IN BATTERY / WITHOUT BATTERY. OTHER VARIANTS ARE AVAILABLE ON OTHER AUCTIONS: - HOUSING COLOR: BLACK / WHITE. - LED COLOR: RED / BLUE. - WITH BUILT-IN BATTERY (MR100 models). - WITHOUT BATTERY (MR300 models).