Hello I'm Gismo is literally everthing to hand in one hand for the ultimate dog walking experience! The I'm Gismo LED Flashlight connectable fits to the top of the I'm Gismo Handle to guide your night time walk with your dog giving light at the front and rear. Using the multi function button at the top of the handle, the LED Flashlight can be controlled. A single push of the button will turn on the front and rear light. A second push enables a blinking mode and a third will turn everything off. The I'm Gismo LED Flashlight is rechargeable via a USB cable (included), no batteries required. Once fully charged a red light will glow and then the Flashlight will have have over 3 hours of usage. The LED light is 7x brighter than a standard mobile phone. Water resistant.