Flicker frequency meter and Optical detector sensor for LED light or any Screen

Description

NanoSmartSensor
✅ Turns your smartphone in high sensitivity quality light and flicker (blinker) detector.
✅ Measure the flicking, flashing and PWM of the smartphone, any LED computer and TV screens.
✅ Works with Android and Windows devices that have a built-in mini jack 3.5 input.
✅ Comes in easy-to-carry aluminum case.
Item Description
Turns your smartphone in high sensitivity quality light and flicker (blinker) detector.
Small, comfortable, sensitivity.
Works with phones, tablets and PC.
Most of light sources around us emits the uneven light flux. Some of them are modulated by purpose, to transmit a signals (like TV remote controls). The others, we expect to have an even light flux from, but most of them provide the blinking light which stresses our eyes. This effect is hidden from the eye, but its effect on human health is dangerous. The danger of flicking light is that it cannot be recognized, but the result of the action can be sleep disturbance, weakness, depression, heart failure, discomfort The luminous flux with pulsations above 300 Hz cannot affect the human brain, but a lower pulsation frequency of light is already perceived by the brain, and the lower the pulsation frequency can be dangerous. This device is intended to find the flicking lights, and measure pulsation frequency.
Sensor measure and identify a broken power driver for any LED lamps that can be dangerous the eyes from low-frequency lamp flashes. Choose a quality LED light for your home or office.
Measure the flicking, flashing and PWM of the smartphone, any LED computer and TV screens.
You can easily measure the speed of rotation of any rotating object, direct the beam from the laser pointer and direct the sensor to the beam of light.
By analyzing the flicking light of any of the car lamps with the Nano Smart Sensor, you can see the frequency of every device connected to the car electrical system. Choose the right capacitors for your car audio system to avoid low voltage drops during peak loads.
HOW TO USE
Download any free smartphone software.
For example - OSCOPE, FFT Spectrum Analyzer, Oscilloscope, or any spectrum analyzes application.
Any software for analyzing signals (from a microphone) is suitable.
Connect your device to headphones via 3,5 jack output of your phone.
The phone must be set to OFFLINE and be sure to turn off Wi-Fi.
And easy turn your Smartphone into high sensitivity flicker frequency meter and Optical detector for LED light and any screen.
Waterproof aluminum case for Free!
What included:
1- Optic sensor
1- Aluminum case (random color)
1- User guide (on English)

Payment
We accept only Pay Pal payment.
Payment must be made within 1 day of auction closing.
Total amount due includes the final auction price plus Shipping.
Shipping will be determined based upon the PAY PAL address.
PLEASE NOTE! Shipping does not include duties, local taxes or any other importation fees!
Shipping
We ship to any country.
This item will be shipped to you from Europe (Ukraine) via airmail with tracking number and full insurance within 1 business days (except for the weekends and holidays) after the payment is fully received. Shipping to confirmed PayPal address only. If you want your purchase to be shipped to other address, please, notify us via personal messages or in the message to the purchase.
Shipping Time:
USA: about 7-10 business days;
Europe: about 14-28 business days;
Japan & other country: about 14-28 business days;
If you need get it faster, you can choose three days UPS Express delivery, this add $ 20 to the shipping cost. Please contact me via Ebay, if you cannot find your country in the delivery list, and I will find for you the cost and delivery time to your country. NOTE: Delivery time may increase because of postal services and/or customs.
Warranty and Returns
You have 12 months warranty on device. All returned items must be in the original packaging and you must provide us with the shipping tracking number, specific description of defect, and your eBay ID. Please contact if Nano Smart Sensor does not work. Returned sensors must not show signs of disassembly or damage. Returned sensors must not have any traces of disassembly or have other damage from the fire of solvents, acids and other aggressive influences, and have an accurate description of the defect. Attention: errors or incorrect settings and operation of programs and your device, as well as if your device cannot turn off the internal microphone or the noise discriminator does not turn off - they are not a defect and cannot be replaced! We will send your new one , after receipt item in its original condition and packaging with all components and accessories included, after both Buyer and Seller cancel the transaction from eBay or you may choose to have a replacement. Return shipping is to be paid by the Buyer. Please contact me if the sensor does not work and describe the problem, I will to help in solving it.