The Smart Power Monitor SP-8H (8 ports) is a Remote Control Surveillance Management System that can power on / off / Reboot via PSTN and Web.
SP-8H has MASTER model and SLAVE model
One MASTER model can string up 15pcs SLAVE model
SLAVE model price is cheaper than MASTER Model.
Function is the same.
Catalog (1.9MB) Manual (1.8MB) Catalog_All type difference (2.7MB)