KTAUTOMATION – Smoke Detector Battery Operated Pack of 2 Detects Smoke Produced by Fire and Gives Alarm Signals for Office Home Mall Hospital School Etc | 120mm x 58mm

Description

 The smoke detector can work properly after connecting power supply, and the indicator flashes about every 45 seconds. Press the test button, the buzzer generates alarming sound and the indicator flashes quickly. Release the button, the smoke detector resumes to normal working condition.

• When smoke density reaches a certain level around the smoke detector.
• The smoke detector will resume to normal after about 55 seconds later.
• Built-in a buzzer can give an alarming sound aloud and silence it.
•  Two AA 1.5V LR6 alkaline batteries.