Do not install this instrument in flammable or explosive environments without specialized interface protection.
For safety, only qualified electricians should handle the terminal screw connections on the back of the panel.
Range: 0 to 999.9% (or 0 for ON/OFF control).

Tiny Size: One square inch, easy to embed to devices.
OpenWrt: Easy to code; super stable, three years no reboot.
Low Cost: low cost, less than 1watt, unmatched performance.
Interfaces: Hardware support USB, Ethernet, SD, I2C, SPI etc.
OpenSource: Both software and hardware, totally FREE
Long Life: Keep production over 10 years, fast email support.
Do not install this instrument in flammable or explosive environments without specialized interface protection.
For safety, only qualified electricians should handle the terminal screw connections on the back of the panel.
Range: 0 to 999.9% (or 0 for ON/OFF control).