Description 1. Mini size: Stylish and compact design, saves installation space, and has a beautiful appearance 2. Remote control: Use the mobile phone application to control the curtains anytime, anywhere, convenient and fast 3. Voice control: Compatible with mainstream voice assistants, easy to operate through voice commands 4. Calibration function: Provides accurate and fast calibration mode to accurate operation of the curtains 5. Smart linkage: Realize linkage with various smart home devices to achieve an integrated smart life experience Product type: Smart curtain switch module Voltage: 90-250V AC 50/60Hz Current: 2.5A/group; total 2.5A Wireless protocol: Zigbee Operating temperature: -10-65 Case temperature: Tc:+80 (maximum) Operating range: 70 m IP rating: IP20 Frequency band: 2.412-2.484GHZ Maximum radio transmission power: Less than +10dBm Colour:As Shown Material:plastic Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * Smart Curtain Switch Module 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.