The seller made everything in the best form: very fast delivery, excellent packaging, the courier delivered to the house. The sound is loud, it works from the electric network, you do not need to buy batteries. The seller is well done.
It was about three weeks. The lock works, everything is safe and sound. Included tape, Button, lock and self-tapping screws. Everything is perfectly packed. I really liked it, I advise. There are many melodies to choose from.
Paid: 04.10.19, sent: 07.10.19, received: 29.10.19. delivery cdek, with the seller did not communicate, the order is packed well. in the button there is a battery, immediately earned as inserted in the outlet, there were no problems. breaks the signal from the button through 3 walls, the thickness of one wall is 40 cm and the button is hanging on the metal door. melodies a lot, the sound can be adjusted. melodies are accompanied by the flashing of the LED and the button lights up (blue) when you press. i'm happy.
It came quickly, even very 12 days in Nizhny Novgorod. packed not bad, everything is intact, looks beautiful. but, unfortunately, does not work, does not react to the signal of the buttons (took with two). the seller wrote, waiting for the answer. we will not solve with him, I will open a dispute.