Thanks for posting! The Slingbox SOLO supports NTSC, PAL, and SECAM video formats.
Here is an article that lists what Slingbox supports what video format:
The difference between the SB260-100 and the SB260-110 model is where the unit is available for purchase. The SB 260-100 is the US/Canadian model, where the SB260-110 is the European model.
The Sling Media Moderation Team