1 Pcs SW-420 Motion Sensor Alarm Sensor Module Vibration Switch, US $1.40 – Picture 0

1 Pcs SW-420 Motion Sensor Alarm Sensor Module Vibration Switch, US $1.40 – Picture 1

1 Pcs SW-420 Motion Sensor Alarm Sensor Module Vibration Switch, US $1.40 – Picture 2

1 Pcs SW-420 Motion Sensor Alarm Sensor Module Vibration Switch, US $1.40 – Picture 3

1 Pcs SW-420 Motion Sensor Alarm Sensor Module Vibration Switch, US $1.40 – Picture 4

1 Pcs Sw-420 Motion Sensor Alarm Sensor Module Vibration Switch

US $1.40

??, China
Jan 29th

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new normally closed type vibration sensor module alarm sensor module vibration switch SW - 420 Description: Purpose: Used to trigger the effect of various vibration, theft alarm, intelligent car, earthquake alarm, motorcycle alarm, etc. This module is compared with the normally open type vibration sensor module, vibration trigger for longer periods of time, can drive the relay module Module features: the comparator output, signal clean, good waveform, driving ability is strong, for more than 15 ma the working voltage of 3.3V to 5V output form: digital switch output (0 and 1) has a fixed bolt hole, convenient installation small board PCB size: 3.2cm x 1.4cm use the LM393 wide voltage comparator Module directions for use: 1, product no vibration, vibration switch is closed on state, the output terminal output low level, the green light is lit; 2, product vibration, the vibration switch instantaneous disconnection, output the output high level, the green light is not bright; 3, output can be directly connected to microcontroller, through single chip microcomputer to detect the high and low level, thus to detect whether there is a vibration environment, call the police package: 1 Pcs * SW-420 Motion Sensor Contact us We will response to all enquiries with 24 hours(ASAP) but please allow delay response for non-business time. If you have any questions on the product you are interested or your want to order please do not hesitate to contact us. we accept the paypal only now We offer the Air mail (china POST)for default. It will not much slower than express(About 15-25 working days). If you prefer other ways of express for shipping, eg DHL, TNT, UPS, please contact us first. About the Shipping insurance: For other countries and areas, we also suggest buy the insurance while you paying. The insurance will be included the tracking number, that will make your parcel be registered and more safe. Furthermore, such parcels always be treated as a priority by POST OFFICE. Even it lost, we can get the compensation soon. Without it, both you and us can not follow the parcel, just wait... Delivery address on Paypal Only--We only ship to the given address in Paypal payment. Please make sure payment address in Paypal is correct. Any non-received items caused by invalid address registered on Paypal are not in our full refund or replacement policy. If you would like to change the address, please contact us IMMEDIATELY after your payment. Engineered for professional eBay sellers! On Dec-25-14 at 23:59:52 PST, seller added the following information: