Amazon [amazon.com] has SONOFF Zigbee 3.0 USB Dongle Plus Gateway for $20.99. Shipping is free with Prime or on $35+ orders.

Price:

$16 lower (43% savings) than the typical price of $36.99

$5 lower (19% savings) than the previous price of $25.99

Manufacturer:SONOFF

Model Number:ZBdongle-P

Product SKU:B09KXTCMSC

ASIN:B09KXTCMSC

Brand:SONOFF

Item Dimensions LxWxH:4.37 x 1.61 x 0.75 inches

Item Weight:0.08125 pounds

Item model number:ZBdongle-P