Curtain motors are your simple switch to a smart home. With a simple set-up, we help you create a comfortable home with our innovative smart home products. Curtain rods help to make your curtains slide more smoothly. Specifications: Communication Mode: BT/ WiFi (Optional) Material: ABS+PC Voltage: 10V Torque: 8-10kg Power: 4W *2Pcs Charging Current: 5V/1A Charging Port: Type-C Standby Power Consumption: 180UA Battery: Built-in 4000mAh lithium battery Speed: 10m/s Operating Time: >6 months Maximum Travel: 20m BT Control Distance: 10m Application Track: Roman rod (applicable size 15*40mm) Item Size: 15 * 6.5 * 5cm / 5.91 * 2.56 * 1.97 in Item Weight: 591g / 1.30lb Package Weight: 1154g / 2.54lb Package Size: 28 * 17.6 * 8.5cm / 11.02 * 6.93 * 3.35in Package List: 2 * Curtain Motor 2 * Type-C Data Cable 2 * Towing Rope 1 * Wireless Gateway 1 * User Manual (English) OR 2 * Curtain Motor 2 * Type-C Data Cable 2 * Towing Rope 1 * User Manual (English)