Feature: 1. Easy To Use: This automatic curtain opener is very simple to use, you just need to connect to WIFI, no changes or tools are needed to easily upgrade your curtains. You hanging off the curtain moter, install the positioning magnets and then connect to our app. 2. Low Noise: This smart curtain motor includes a silent mode that allows your unit's motor to operate at less than 25dB, allowing the curtains to drift slower and quieter to eliminate distractions, perfect for waking up in the morning, great for people with sleep disorders or sensitivity to sound. 3. Easy To Install: This electric curtain robot can be used for Roman rod track, no need to change the track, lightweight and easy to hanging easy to hanging can make the traditional curtains quickly intelligent, so that the curtains are intelligent to open and close. 4. Wide Application: This automatic curtain opener robot has a wide range of applications and can be used in bedroom, living room, office, baby room, etc., which is very practical and convenient. 5. Good Performance: This smart automatic curtain opener is made of excellent ABS material, sturdy and anti wear, not easy to be damaged, and the motor has a speed of 10m/s, powered by 3.7V 4000MAH lithium ion batteries to save power and conserve energy. Specification: Item Type: Automatic Curtain Opener Material: ABS Rod Diameter Range: Approx. 13-38mm / 0.51-1.5in Speed: 10m/s Motor Power Supply: 3.7V 4000MAH Lithium Ion Battery x1 (Included) Support Rail Type: Roman Rod Rail . Package List: 2 x Curtain Motors 1 x External WiFi Module 2 x Drawstrings 2 x USB Data Cables 1 x Manual 1 x Screwdriver 4 x Roman Rod Brackets 1 Pack x Small Accessory