Tips for Use:
If the device resolution is 4K, please use the HDMI 2.0 version HDMI cable.HDMI version 1.4 and below cable can not support 4K transmission.If the signal is unstable, please supply electricity to the switcher.Switcher has a micro USB power supply port.Use 5V DC power supply.This product is a switcher, not a distribution function and can not be sent to one or more displays at the same time.Remote control need to buy 2 AAA batteries separately.If you have any problem with the remote,please contact seller to resolve it.This product does not have an HDMI cable.HDMI cable must be purchased separately.If you have any compatibility problems during use, please contact seller to resolve it.