How many seconds before the earthquake the sensor can detect the p wave ?

Well, actually this morning a quake hit us on the southern part of the island and the alarm went off between 5 to 10 seconds before me and my wife could notice the actual shaking!

If I’m not home when the alarm goes off, does it shuts off automatically?

The alarm only goes off when a tremor is occurring. It shuts off when the tremor stops.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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MayDay Earthquake Alarm with Early Detection Feature

Product ID: 520231431

Details

Alarm
Audible
Brand
Mayday
Colour
ES-A4142
Power source
Battery
Style
Compact

📏Fully adjustable sensitivity

🔔Loud, distinctive alarm

🛠️Tool-free wall mounting

Description

⏰ Stay ahead of the quake—because every second counts!

RELIABLE WAKE UP CALL - Powerful alarm designed to wake you instantly, even during deep sleep
EFFORTLESS INSTALLATION - Mounts securely without screws, nails, or tools—ready in seconds
CUSTOMIZABLE SENSITIVITY - Adjust alarm sensitivity to match your local seismic activity
AUTOMATIC RESET SHUTOFF - Stops alarm automatically once the earthquake subsides for peace of mind
PRECISION EARLY DETECTION - Detects seismic 'P' waves for instant alerts before shaking starts

The MayDay Earthquake Alarm offers cutting-edge early warning by detecting the initial 'P' wave of seismic activity. With fully adjustable sensitivity, a loud alarm, and easy tool-free installation, it ensures you and your loved ones get precious extra seconds to react. Trusted by users in high-risk zones, this compact, battery-powered device automatically resets after the quake, making it a must-have for proactive earthquake preparedness.

Specifications

ASIN	B00EYH5JXI
ASIN	B00EYH5JXI
Alarm	Audible
Best Sellers Rank	#338,006 in Home ( See Top 100 in Home ) #2,309 in Alarm Clocks
Brand	Mayday
Color	ES-A4142
Customer Reviews	4.3 4.3 out of 5 stars (145)
Customer reviews	4.3 4.3 out of 5 stars (145)
Date First Available	27 June 2019
Is Discontinued By Manufacturer	No
Item model number	C-88Quake
Manufacturer	Mayday
Manufacturer	Mayday
Mfr Part Number	C-88QUAKE
Model Number	C-88Quake
Number of Items	1
Power Source	Battery Powered
Product Dimensions	15.24 x 10.16 x 10.16 cm; 204.12 g
Product Style	Compact
Sensor Type	Carbon Monoxide Sensor
UPC	661799622707
Unit Count	1.0 Count

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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