Detector P wave Earthquake Get Early Warning of Impending Earthquake quake

Detector Earthquake Get Early Warning of Impending Earthquake quake alarms

Ts: This alarm is the princle of induction shake alarm occurs, so please be installed in an environment without external interference, such as your own home in a seaside town, or if you live in a sh on the sea, similar to the kind of living environment in itself causes the non-seismic shaking, then you are not home is not suitable for such a use of the instrument. Please buyer friends before you buy, measure around the environment. Note: Because the battery does not allow send by normal post, we will send without the batteries, you should buy it by yourself, please understand about it, thank you! Technical Parameters: - Operating voltage: DC 9V (9V alkaline battery)(sh without the battery) - Alarm sound preure: 120dB - Induction method: vibrating alarm - Start delay: 15 seconds - Alarm delay: 30 seconds - Installation: Magnetic back can also be hung - Dimensions: 90 × 55 × 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, will be iued 120dB alarm sound immediately. The alarm time is about 30 seconds. This product can be directly linked to the need for a security position, the back of a magnetic disk can also be directly attracted to the metal object.

About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.