PRODUCT SPECIFICATIONS: Size:50*30*20mm External device voltage range: External 5~28V DC External device output current: MAZ 6A PRODUCT FEATURES: 1. Remote monitoring: The control center can open the microphone of terminal module devices and monitor remote information from the devices. 2. Remote environment detection:The module can connect different types of sensor devices and transmit the acquired data information to the control center in time. 3. Remote information transmission: The control center can make command transmission by sending and receiving information via module. 4. External device interface: It achieves remote switching signal light, motors, detonation, etc.