Key features

• •Rechargeable Battery Powered, Radio Operated, fits outside 4/5inch( 21mm) Tube, inside with 3/4inch(19mm)(Important with inside dimension) Please make sure if it is a smooth cylinder with any slots, internal ribs or any groves inside If your roller tube is same with described the listing picture, congratulate, lucky and easy to DIY your Motorized blinds, if not, trim the rubber pieces or tapes wrape is also a solution to make tight fit with your roller tube
• •Perfect for operating Solar Roller Shades or blackout windows roller blinds window shades can tilt open or close at the touch of a button
• •Safety, Motors run on 8.4 volts DC, Child and pet safety, with no exposed cords or chains, fully battery operated so no need for mains wiring
• •Energy Savings, motorized blinds motors typically operate for 3 to 6 mouths without recharging(depending on usage)
• •Professional after sale service, Lift capacities 4.4 lb shades, indoor roller blinds which will not exceed a width of 78.7 Inch, Maximum height 118 Inch, Leveling Control Electric shades UP, STOP and DOWN, easy to make it so with new ihc ("Intelligent Home Center") app from BroadLink. After setup with ihc, use "BroadLink" as keyword to search in Alexa's Skills or or 'Add device" at Google Home