About the product
- With two serial ports, RS232 DB9 interface and TTL232 interface
- With AT instruction and 8-byte instruction, the two instructions are automatically recognized, no need to switch
- 6 working modes, open, close, jog, self-lock, interlock, delay (8-byte instruction without delay mode)
- Maximum delay of 9999 seconds under AT command
- Adopted of high quality electronic components, and accuracy process, ensure for the durability
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