Velleman, Switch, models:

EMDIN02	User Manual
HQ Power VDPDP1N	User Manual
HQ-Power PSS2010	User Manual
HQ-Power PSS4005	User Manual
HQ-Power VMS4	Manual
K8015	Assembly Manual Illustrated Assembly Manual
PSSEUSB34	User Manual
VAS4	User Manual
VASH1	User Manual
VASH2	User Manual
VASH3	User Manual
VM138	Manual
VMA305	User Manual
VMS8	Quick Start Manual
WRP4	User Manual
WRS4	User Manual