Silent operation, as quiet as a whisper The maximum load-bearing capacity is 3.7kg and the torque is 0.45Nm, ensuring stable and reliable operation of the curtains Complete range of accessories Suitable for a variety of curtain chains and cords, providing flexible gear selection Stable power supply Reliable plug-in operation, Various control methods Easily operate your window coverings with flexible control options for a truly smart home Upper and lower limit settings Precisely set the shade up and down for customizable stops every time Input voltage: DC Stalled rotor current:1.8A Speed:20-50 rpm Rated torque:0.45Nm Rated current:0.8A Resistive current:0.9A Working frequency band:2.400-2.4835GHz Maximum wireless transmission power:Less than +20dBm (The product printed words depending on the batch, but this does not affect use) Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Color: White Material: ABS Package Contents: 1 x WiFi Solar Pull Bead Curtain Motor kits 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.