Product Description Highlights Built-In 2.4 GHz X Wireless Radio System Guide Number: 197′ at ISO 100 and 200mm Zoom Range: 20-200mm Tilts Upwards -7 to 90° Rotates Left and Right 180° Recycle Time: <1.5 Seconds High-Speed Sync with Optional Trigger Runs on Li-Ion Rechargeable Battery Includes Battery, Charger, Stand & Case