Frenquency:868.42MHz(EU)/869MKz(RU)/908.42MKz(US)/921.42MKz(AU)

Max load up to 1100W

Operation range:up to 130 feet line of sight

After calibratin,the controller can feedback the roller shutter position

Overload protection

Please login http://www.tkbhome.com/PDF-Download.html to download products PDF Operation Manual.