MINI INFRARED SECURITY SYSTEM, 7mFeatures easy to install; adjustable timer & volume; applications: ; entry detection; automatic alarm warning; present detection; includes: ; 1 x retro-reflection IR photoelectric beam sensor; 1 x power supply 110V / 9V DC / 250mA; 1 x alarm speaker (timer & volume adjustable); Specifications nominal detection range: 23ft; light source: IR LED; speaker: ; power supply: DC 9-15V; speaker output: chime / off / alarm (selection through by switch); duration audio signal: about 1 sec. for chime, 30 sec. for alarm; timer adjustable: 3 - 30sec. before alarm activation; volume adjustable: yes (from 0 to max); working temperature: -4F to 122F; power supply: DC 9-15V regulated (adapter included); total current consumption: < 130mA; standby current: 25mA; IP rating: IP44;
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