Olidesmart OS-510 WiFi Wireless&Wired Handicapped Push Switch For Automatic Door, Work with Phone APP and Alexa

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Olidesmart Wireless&Wired Handicapped Push Switch For Automatic Door

Wireless and wired mode can be selected.

Type: Wireless&Wired handicapped push switch

Material: 304 stainless steel with a brushed finish

Power: Less/equal to 250VAC 15A

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Can wireless receiver frequency be changed when using more than 1 receiver on 2 separate doors that are close to each other.

Hi, If you use more than 1 receiver on 2 doors that are close together but independent of each other, they are in the same frequency band, but the exact frequency of each receiver is still different.
Can you have more than two push switches?

Yes，you can pair more than 2 switches with the receiver。
Is the Olidesmart M-510 Handicapped Push Switch weather resistant ? Can the switch be outside ?

The working temperature of the handicap switch is -42C° to 45C°; and the waterproof rating of the push button switch is not high, it is recommended to make a cover above the switch if used outside.
I just want to order four buttons at 89 no receivers thank you

Yes, I saw your order, will ship it soon.