Camera flash suitable for camera type pentax flash guide number iso 100 34 zoom reflector 28 85mm display type none weight 200 g flash mode slave features readiness indicator flash head movement upwards through to 90 series drr daf functions af assist beam automatic sync flash controls adi a ttl e ttl e ttl ii micro four thirds i ttl p ttl compatible batteries 4 x aa dimensions 154 x 73 x 45 mm