The optical-acoustic alarm for outdoor use is intended for use in burglar and intrusion alarm systems. The device has 2 control inputs - the possibility to select the control method. The design of the alarm ensures a high degree of anti-sabotage protection (from opening and tearing from the mounting base). The outer housing of the alarm system is made of impact-resistant polycarbonate, so it has a very high mechanical resistance and guarantees an aesthetic appearance even after many years of operation. Sound level: 120 dB Selected functions: Anti-tamper protection (detection of peeling off the installation site and housing opening) Maximum current consumption: 300 mA Internal battery: - Color: Blue Operating temperature: -35 ° C ... 60 ° C Weight: 0.670 kg Power supply: 12 V DC Dimensions: 298 Power supply: ± 15% Dimensions: x 197 Power supply: (power supply from external power supply) Dimensions: x 72 mm Manufacturer / Brand: SATEL Warranty: 2 years Instruction EN.