1. Receiver with sliding cap design and it is convenient for users to make adjustment.
 2. SMD design for receiver module.
 3. Protection design for loop.
 4. Voltage-transfer automatically. 
 5. Single Chip program.
 6. Available with Up / Down Direction switch option
 7. Available with UPS installation option.
 8. Optional function of reminder beep and detection of running motor. 
 9. NC/NO contact from push button available to choose.
10. Available option with safety pressure to work shutter stop, roll-up and stop or stop only function.
JS-688M Receiving Server:
*. Voltage: AC110V~AC220V(Depending  on local Voltage)
*. Loading Current: 300mA
*. Distance: 80M(Open Area)
*. Size: 130 x 91 x 48mm