... Lens focusRecycle Time(sec): ≤11(A set of new alkaline batteries, Manual)Auto control method: Auto Aperture: F4、F8Auto Distance ... 1000Color Temperature(K): approx. 5600Flash times: ≥135 (new alkaline batteries, Manual)Triggering method: Low voltage triggerPower source: 4 AA ... batteries (NiCd and NiMH chargeable batteries can be used)Dimension (mm): 175×70× ...