there were questions of the speed and i asked people and the consensus was it was good fast speed

This unit can't be beat for the price, and spins at a nice slow speed.

The speed is perfect for a nice light display

Runs at the perfect speed, is quiet and spins my disco ball just the way I want it to!

This rotating motor is EXACTLY what I wanted for my heavy 12" disco ball: It is inexpensive, totally portable, lightweight, easy to operate and rotates at a nice, slow speed

It turns at a nice speed - quick enough that it looks more like a bouncy dance party than a slow dance at prom, but not so fast that it's nauseating

If fast speed is ok with you, no problem

The motor is currently supporting a 4" mirror ball and spins at a comfortably slow speed without making anyone nauseous.

The room (12x12) is big enough where it is a great speed

This rotating motor is EXACTLY what I wanted for my heavy 12" disco ball: It is inexpensive, totally portable, lightweight, easy to operate and rotates at a nice, slow speed

I love this spinner because it is actually a SLOW rotating spinner, which is just the right speed for a disco ball.

This unit can't be beat for the price, and spins at a nice slow speed.

If you have a really big disco ball then this (very) slow speed should be fine

If fast speed is ok with you, no problem

If you have a really big disco ball then this (very) slow speed should be fine

Mine operates on a C battery, but it looks like it will take a D as well.