Power supply: Spontaneous (no battery) / Transmitting frequency / Operating distance: 433.92MHZ / Transmitting speed: 250Kbps.
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Honeywell Home RPWL401B2000 Wireless Push Button, Black, Push Buttons - Canada
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Wireless push button/press button activation switch for automatic door opening., Stick to handy place, no cabling, easy installation., High
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Honeywell Rpwl401b2000/a Wireless Push Button Rpwl401b2000a for sale online