Product Name; CS-301 controller 
Specifications
Brief Introduction: 1 channel controller, 20m
 
Product Description

Working volt (V):12
Size(mm):86*36*15
Working band (MHZ):303.825
Working current (mA):9-13mA
Stand current: less and equal to 3µA
Transmitting Distance(m):>20m
Encoded type :learning code