The product is special designed Joint box (transformer +controller), for controller 24V motor for forward (clockwise), Reverse (Counter-clockwise) and stop.For controlling the electric roll-up motor for ventilation, which is used extensively in greenhouse. Such as the solar greenhouse, vegetable greenhouse, culture greenhouse, multi-span film greenhouse and other assembled greenhouse, by which to open or close the side windows and top windows through the rolling of film.SpecificationsInput: AC 110VOutput1: DC24VOutput2: DC24VOutput Current:6APlug wire (input) length: 4.75ftBare wire (output) length: 1.6ftJoint box: Transformer + controlControl: Forward/ Stop / ReverseSwitch Style: Maintained (switch the toggles, the motors will keep running until the limit is reached.) The Loads Application: Motor,Linear actuators,etc.Size: 13*8*20cm/5.11*3.14*7.87inchWeight:0.8kgPackage Include:1* Controller BoxNote:1.The motor with limit switch would stops once hit the limit.2.The product is without timer, it's main for transforming the voltage and controlling the motors.3.Two 10A fuses for two channel of outputs.4.Please install it inside the house.