OLED SCREEN SHOWING STATES: From the screen, you can directly know whether the focus is successful or not. Is the shutter released, is the camera busy, etc.CONVENIENT AND POWERFUL: All buttons are on the front. The function does not need To be switched by the side switch, and the prompt is synchronized on the screen.SMALL AND EASY TO INSTALL: Equipped with elastic straps and selfie stick buckle, Can be worn on the wrist, mounted to selfie sticks and tripodsBUILT-IN BATTERY: No need to buy Coin Cell batterys, charge with a USB magnetic cable, Environmentally friendly AND WATERPROOF: Designed and manufactured according to high standards of outdoor electronic products, waterproof, dustproof and wear-.Colour:blackMaterial:plasticPackage Contents:1 * Bluetooth Remote ControlOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.