Product Description: 1. Having manual switches; 2. Able to control separately or in-group; 3. Having function of preventing wrong operation, dependable performance and having combinations of 1to 1control and 1 to 2 control; 4. This product is suitable for controlling AC220V tube motors or other AC synchronous motors. Application: electric projection screen, electronic rolling gate, electronic awning, motorized curtain, electronic garage door and so on. Technique Parameter：1. Operation voltage: 180VAC-240VAC; 2. Input power: ≤500W; 3. operation temperature: -30℃--+70℃; 4. Operation frequency: 315 MHZ (or deciding by your requirement); 5. transmitting frequency: ≤15mW; 6. Receiving sensitivity: -100dB; 7. Operation method: remote/manual.