Staff of Illumination:

The staff has three uses, each identical to the corresponding divine spell. Each time the staff is used, it depletes a certain number of charges.
Light; uses no charges.
Searing light (4d8 points of damage, or 9d6 points of damage to undead; Reflex save DC 15); uses 1 charge.
True seeing (lasts 9 minutes; Will save DC 17); uses 2 charges.
Type: Staff (magic); Caster Level: 9th (divine); Purchase DC: 41; Weight: 5 lb.