Smiledrive Earthquake Alarm Detector, Vibration Sensor, Rechargeable with Emergency Loud Siren Horn & LED Light Wired Sensor Security System

1) GET A QUICK EARTHQUAKE ALERT: This earthquake sensor quickly senses the vibration of an earthquake and alerts you. 2) LOUD ALARM WITH EMERGENCY LIGHT: This device comes with a loud siren/alarm (120db sound frequency and flashing LED light. When there is any type of vibration this earthquake detector simultaneous flashes light and blows the siren 3) RECHARGEABLE: This device comes with a built-in 500mAH lithium battery, so even during power failure, it will alert you. It can work continuously for about 5 hours without the need to re-charge 4) EASY TO INSTALL: This Earthquake alarm is easily mountable on the wall with a power supply interface 5) MUST HAVE DEVICE FOR HOMES, VILLAS, SHOPS, HOTELS, DEPARTMENT STORES, OFFICES etc