Long-reach drywall/ceiling sanders commonly list motor power around 750–900 W, with speed controls varying roughly from about 800 RPM up to 2,300 RPM across different models.
Many models include built-in dust collection—either dust bags or an automatic vacuum system—and several are designed to connect to an external vacuum cleaner to reduce airborne dust during sanding.
Yes—several models include built-in LED lighting (for example, double-layer or double-deck LED strips) to improve visibility and coverage while sanding.
Weights vary by model, but several long-reach drywall sanders are listed between about 5.1 pounds and 12 pounds.
Wall sanders commonly provide variable speed control—either multiple discrete speed settings (e.g., a model advertised with "6 variable speed") or stepless/continuous adjustment across a wide RPM range.