High Sensitive Vibration Detector Earthquake Alarm

High Sensitive Vibration Detector Earthquake Alarm Description

Technical Parameters:
Operating voltage: DC 9V (9V alkaline battery)(ship without the battery)
Alarm sound pressure: 120dB
Induction method: vibrating alarm
Start delay: 15 seconds

Alarm delay:
Installation: Magnetic back can also be hung
Dimensions: 90 x 55 x 27mm
Instructions:
The right of the toggle switch alarm "ON" position, the red indicator fade, light off after 15 seconds. State of alert, when the alarm or minor shock when struck, be issued 120dB alarm sound immediately. Alarm time is about . This product can be directly linked to the need for security position, the back of a magnetic disk, can also be directly attracted to the metal object.
material: plastic
Color as shown

Package Contents:
1 x Vibration Detector

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.