Product Highlights Model Number 3108 Built-in lithium battery, with battery indicator, provides longer operating life. Built-in wireless to control the start/stop of shooting/recording. Stable tripod support, can be folded to use as a handle with comfortable grip. Highly compatible holder, supports wireless charging for smartphone with or without phone cases. The holder comes with a cold shoe mount and 1/4''-20 hole, supporting multiple accessories.   1 YEAR WARRANTY