Extendable Curtain Track from 2.2m to 4.5m, where you can extend and fix the track according to your width, no need to cut the track, just adjust and lock it.
Very convenient and suitable for day and night curtains. 
May be easily controlled with remote control, hand control and phone app control (Tuya App compatible).
Suitable for condominium or high rise for ease of transport, as able to fit in cars and lifts.

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