Features: Pocket Size: Weighing just 78g and fitting in the palm of your hand, the iM30 camera flash is easy to slip into your pocket or mount on your camera for effortless portability. Wide Compatibility: The single-contact hot shoe design of the on-camera flash is plug-and-play, fitting most mirrorless and film cameras. Just attach and start working. Natural Lighting: With a guide number of 15 (ISO 100, meters), the iM30 provides brighter, more natural fill light than most built-in camera flashes, enhancing the quality of your photos. 7 Power Levels: Easily adjust through 7 power levels (1/64~1/1) to suit any scene. Just turn the dial to achieve the perfect lighting for your photos. Powered by two AAA batteries(not included), the iM30 camera flash is easy to recharge or replace. Full of Energy: The iM30 camera flash is built to keep up with your creativity, delivering up to 230 flashes on a single charge. Stay ready to capture every moment without worrying about running out of power. Specifications: Power Supply: 2 * AAA batteries (Not included) Guide Number(at Full Power): GN15 (IS0100, in meters) Full Power Flashes: about 230 (with chargeable battery) Recycle Time (at Full Power): 3.6s Flash Power Steps: 1/64 to Full СCТ: 6500K+/-200K Optical Trigger: Optical S1 Flash, Optical S2 Flash/Off Working Environment Temperature: -10 celsius ~+50 celsius Sync Trigger: Hot Shoe, Sync Cord Dimension: 6.1x5.2x4.5cm Net Weight (without battery): 78g Package List: 1 * Camera Flash