Seco-Larm SA-021 bell or siren timer module for alarm system - $15 - (Rockville, CT)

This is a solid-state module that can be added to an existing alarm system or integrated into a new installation. The timer is used to automatically turn-off a siren, bell or other device at a pre-set time after the system is triggered. The timer can be adjusted from 20 seconds to 15 minutes. The SA-021 operates on 6-15 VDC and has a trigger light (LED) to indicate that the alarm is triggering.

Posted in Rockville, CT, Electronics
From ebay.com - 1 month ago