Aqara E1 Manual De Instrucciones página 8

Installation Requirements of Curtain Track Glider
The distance from the upper surface of the bottom of glider hanging ring
to the bottom of the rail should be between 16 mm and 25 mm.
U-Rail Glider
Straight and Special-Shaped Rails
For U-rail and I-rails, the Curtain Driver E1 supports straight and curved
rails. For curved rails, the following conditions should be met around the
bend:
Curved rail
Quick Start Guide
Please read the following steps to start using the product.
Preparation before use
1.This product needs to be connected with the Aqara Home app before
being installed on the curtains.
Before activating the product, please make sure you have the Aqara
16~25mm
Wall
Bend of rail
Top view
04
I-Rail Glider
≥25cm
16~25mm