powered, not included). Super Long Battery Life -- With built-in 4000mAh lithium battery, the smart curtain motor can last about 6 months if using twice a day (open/ close), without the hassle of frequently recharging it. The gateway is USB type, which needs to be plugged in, and the working distance is no more than 10m away from the curtain motor. Note: 1. Please read the user manual carefully before use. 2. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Curtain Motor, Suitable Curtain Track Type: T-track (I-rail) #43; Inside grooved (U-rail)/ Curtain Rod -- Optional Remote Control: Suitable for both T-track (I-rail) #43; Inside grooved (U-rail) and curtain rod type Color: White Material: ABS APP Download: Compatible with Tuya Smart/ Smart Life Package Size: Curtain Robot: 17.8 * 11.4 * 6.8cm / 7.01 * 4.49 * 2.68in Remote Control: 12.5 * 4.5 * 1.5cm / 4.92 * 1.77 * 0.59in Package Weight: Curtain Robot: 435g / 15.35oz Remote Control: 34g / 1.18oz *Curtain Robot: Type: Wifi Type Voltage: 10V Power: 2W Speed: 10m/s Movable Distance: Maximum learning distance is 20m Built-in Battery: 4000mAh Lithium Battery USB Port: 5V 1A, Type-C Stand-by Power Consumption: 600A Work Time: about 6 months if using twice a day (open/ close) *Smart Gateway: Type: Wifi Type Power Method: USB Work Distance: No more than 10m away from the curtain motor Size: 75 * 28 * 10mm / 2.95 * 1.10 * 0.39in *Remote Control: Power Supply: 3V CR2025 (Not Included) Size: 120 * 38 * 8mm / 4.72 * 1.50 * 0.31in Packing List: 1 * Curtain Robot 1 * USB Smart Gateway 1 * USB Cable (Type-C) 1 * User Manual (English)