This small security system consists of a light barrier, speaker and stabilized power supply. When the IR light beam is interrupted, an alarm can be set for 30 seconds or a short bell like when entering a store. The trigger time (delay until the sound is played) and volume can be adjusted. Characteristics Easy to install Adjustable timer and volume Applications: Access control Automatic warning via alarm Presence detection Delivered with : 1 x photoelectric IR sensor with reflector 1 x 230 V / 12 VDC / 500 mA power supply 1 x alarm speaker (timer & volume adjustable) Optional counter for PEM7D: PEM7D / C: COUNTER FOR MINI IR PEM7D SECURITY SYSTEM Specifications Nominal detection range: 7 m Light source: IR LED Loudspeaker: Power supply: 9 ~ 15 VDC Speaker output: chime / off / alarm (via selector switch) Duration sound signal: ± 1 sec. for chime, 30 sec. for alarm Adjustable timer: 3 - 30 sec. for alarm activation Adjustable volume: yes (from 0 to max.) Cable length: ± 9.5 m Working temperature: -20 ° C to +50 ° C Power supply: DC 9-15V stabilized (adapter included) Total power consumption: <130 mA Standby current: 25 mA IP value: IP44 / indoor use https://elecena.pl/product/27742144/velleman-mini-infrared-security-system-7-m 2025-01-23 https://elecena.pl/product/27742144/velleman-mini-infrared-security-system-7-m 2025-04-20 https://elecena.pl/product/27742144/velleman-mini-infrared-security-system-7-m 2025-05-04 https://elecena.pl/product/27742144/velleman-mini-infrared-security-system-7-m 2025-09-27 https://elecena.pl/product/27742144/velleman-mini-infrared-security-system-7-m 2026-02-23