Quite small!

The Spark Base: 4.25" (10.8 cm) wide x 4.25" (10.8 cm) deep x 0.75" (2cm) tall.

The Spark Camera: 4" (10cm) wide x 1" (2.5 cm) tall x 1" (2.5 cm) deep. It has a stand that can be up to 2" (5 cm) tall.

The power cable is 79" (2m) long.

The HDMI cable is 48" (1.2m) long.

Based on these small dimensions, you'll be able to have the Camera and Base on your TV (using provided sticky tape), or resting on a media cabinet.