Transfer rate: 9600bit /s

Transmission distance: 1, 000 meters

Maximum command response time: 2 seconds

Power consumption: Working state 12V/120MA; Standby 12V/5MA

Working temperature: Minus 40 - 70 degrees

Data transfer performance: A fault-tolerant, more reliable data

Key: 3
Buzzer: 1
LED: 7 colors
HTTP functions: To ensure that even after a power outage, such as failure to work