2-wire Smoke and Heat Detector Conventional Fire alarm system

Smoke and Heat Detector 2-wire compatible with all conventional fire alarm control panel.
https://www.vedardalarm.com/smoke-alarm-24v-2-wire-conventional-fire-detection-p-125
The detector is photo-electronic detector uses a state of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be used with non-coding fire alarm control panel.
This device may help your family safe from any fire accident occur during late at night or early in the morning.
Below are the features of this Smoke and Heat Detector:
Two LEDs on each sides provide local 360 degree visible alarm indication.
The LEDs show the detector working status and sensitivity.
The alarm can be reset only by a momentary power interruption.
Red LED indication and relays latched when alarm. It combines a photo electronic
sensing chamber and a temperature heat detector.
insect-resistant screening
Twist-on mounting base with tamper lock
drift compensation and smoothing algorithms
remote indicator LED can be connected
Specification:
Operation voltage range: 9-28VDC non-polarized
standby current: