It came 5 pieces by one package, work, but react poorly, downloaded artistic whistle on the phone, meters with 3 work, not always.

Arrived quickly in good condition, but I do not know how to use it yet. Thank you for putting a demonstrative video

The order came in a month. Works when he wants to scream near will not respond and can work on the Click given.

Excellent . Super . Everything is as ordered. Good seller. I recommend. Thank you Good luck and success.

To Moscow, the parcel reached 50 days. Works fine, thank you to the seller. Definitely recommend