APP control/remote control Settings on and off Temperature/Light Sensing Off induction start switch TUYA scene mode Control distance:10 meters Power supply method (battery):built-in 4000mA lithium battery There is no need to purchase a Tuya gateway separately, it can connect to smart speakers such as for Alexa, for Google Home, for Xiaodu, and for Xiaoai. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:White Material:ABS+PC Package Contents: 1 * Dual TUYA Smart WiFi Curtains Robot Roman Rod Track/T/U-Rail Tracks 3-in-1 Curtain Opener kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.