High quality two-layers stainless steel chain, which makes the chain stronger and more anti-oxidate
The short pitch chain 08B-2 can ensure the low noise and stable operation of the window opener.
The motor built in overload protection system. It can avoid the motor burning out as the high electric current.
The surface of the opener housing has electrophretic precossed.
The automatic window opener can be auto open by wireless remote control and wired push button,transformer is included,which convert input voltage AC110V to working voltage DC24V,no need extra transformer.