Features 1、EASY INSTALLATION: Automatic curtain opener is easy to install, no alterations or tools required, install curtains first, then install the controller, and you can control it with remote control. Compatible with for Roman Rod, T Rail, U Rail three kinds of rods. 2、ENHANCED STRENGTH AND MOTOR EFFICIENCY: The strength of this curtain opener has been increased by more than two times. It ensures stable operation even under heavy curtains, supporting weights up to 15kg/33lb. Equipped with a positioning device to ensure precise control. 3、QUIET OPERATION: Our smart curtain opener has a silent mode that reduces motor noise to less than 25dB. Environmentally friendly and energy efficient, it is suitable for people with sleep disorders, noise sensitivity or those who prefer a quieter environment. 4、CONTROL WAYS: The electric curtain opener is equipped with a remote control with one button on off and pause, making it easy to use for both the elderly and children. Wide range of uses, suitable for bedroom, living room, office, baby room and so on. 5、LONG BATTERY LIFE: Auto curtain opener is equipped with a powerful motor, built in 4000mAh lithium battery, Type C charging, 5‑6 hours to full. One charge can support up to 6 months of use, no need to charge, disassemble and reinstall frequently. Specification Item Type: Automatic Curtain Opener Material: ABS, PC Size: Approx. 152 x 81 x 30mm / 6 x 3.2 x 1.2in Color: White Motor Battery: Polymer Lithium Ion Battery (Built in), Capacity: 4000mAh Remote Control Battery: 1 x CR2025 Button Battery (Built in), Capacity: 15mAh Voltage: 10V Power: 4W Charging Current: 5V 1A Torsion: Approx. 8-10kg/17.6-22.0lb Charging Port: Type C Standby Power Consumption: 180UA Maximum Range: Approx. 20 Meters / 65.6 Feet Running Speed: 10 Second Per Meter Running Time: More Than 6 Months Control: Remote Control Application Track: For Roman Rod, T Rail, U Rail Package List 1 x Motor 2 x T Type Rail Adaptor 2 x For Roman Rod Adaptor 2 x U Type Rail Adaptor 4 x Replacement Rollers for U Type Rail Adaptor 1 x User Manual 1 x USB Cable 1 x Pulling Rope 1 x Screwdriver 1 x Remote Control