Gently used Promaster 7500 DX.

cheapest online used is 152.00 + 10.00 Shipping

so Im selling it for $150.00

Specifications:
• Guide Number: 138 (100 ISO)

• TTL Auto Range: 2-99' (100 ISO)

• Power Source: 4 AA Alkaline Batteries or PROMASTER NiMH rechargable batteries

• Recycle Time: 0.3-10 Seconds

• Motorized Zoom - 24mm-105mm

• AF Illuminator for Autofocusing

• Bounce Angle: -7° to 90°

• Full TTL Dedication

• Swivel Angle: 0° to 180°

• Front & Rear Flash Ready Light

• Flash Modes: TTL Auto, Manual, Multiple

• Multifunction LCD Display Panel Modeling, Slave/Remote

• TTL Compatible


Supports the following cameras.

CANON Digital Rebel, CANON 10D, CANON D60, CANON EOS D30, CANON G1, G2, G3, G5, G6, CANON PRO90, CANON PRO1

I personlly have used this with the 20D in manual mode with no problems.
Jerod Harris uses this same speedlight in Manual mode as well.