**diameter 45mm 
**All of rollers will stop at any position what your finger has moved to on the transmitter's touch screen,Ajust shade slades staying at the any angle what your finger has moved to on the transmitter' stouch screen
**electronic limit switch, accurately setting motor travel limits 
**built-in radio receiver, radio control, various, multi-channel transmitters for customer's choice 
**Programming by transmitter, recording or erasing transmitter anytime easily and conveniently 
**applicable to roller blinds, roman blinds, pleated blinds, cellular blinds, etc 
**accessories for different tubes
**contact: sales01(@bofumotor.com
Build-in 700Ah Li-ion Battery
the motor can be powered by solar energy.