Strategically place the IR light barrier so it can alert you when someone is nearby! Applications : announcing visitors, warning against burglars, securing border lines and for scientific projects. SpecificationsTechnical DataSpecifications * audible (85dB) and visible (LED) alert * range: 1 to 4m * on/off switch provided * power supply: * transmitter: 9VDC / 50mA max. * receiver: 9VDC / 20mA max. * 9V battery holder and adapter jack included * dimensions: receiver: 100 x 50mm * not recommended for outdoor use Basic Product InformationColourGreenHeight55 mmWidth40 mmweight80 g Skill levelCoding skill levelnoSkill Level ElectronicsnoSkill Level Mechanics1Skill Level Soldering1 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2025-01-23 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2025-02-01 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2025-03-16 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2025-10-04 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2025-10-07 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2025-11-04 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2025-11-06 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2025-11-19 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2025-11-21 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2025-12-05 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2025-12-07 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2026-01-22 https://elecena.pl/product/27744965/velleman-ir-light-barrier-burglar-alarm-kit 2026-01-30