POCKET SIZE: Godox iM30 weighs only 78 grams and fits in the palm of your hand. It can be easily slipped into your pocket or attached to your camera for convenient carrying. Whether it's sunny or cloudy, this flash is your ideal companion | POWER CONTROLLER: Godox iM30 flash has 7 power levels, from small to large: 1/64, 1/32, 1/16, 1/8, 1/4, 1/2, Full. You can adjust the power level according to the aperture value of the camera, shooting distance and sensitivity value by simply turning the power knob | Natural light: With a guide number of 15 (ISO 100, meter), the iM30 provides brighter, more natural fill light than most built-in camera flashes, enhancing your shots and making every moment shine | REPLACEABLE BATTERIES: iM30 is powered by two AAA batteries (sold separately) that are easy to recharge or replace so you never miss a moment. A single charge lasts for up to 230 flashes. Always be ready to capture every moment without worrying about running out of power | S1/S2 OPTIMIZATION: Both S1 and S2 have indicator lights. If the indicator light is on, this means that the function on this side is switched on. If the indicator light is off, this means that the light-controlled flash function is switched off | WIDE COMPATIBILITY: iM30 is plug-and-play with a single-contact hot shoe design that fits most mirrorless and film cameras. Simply install and start shooting