Based on this product's specifications, here are some alternatives and similar models
HDMI splitter SBOX HDMI-2 1x2 for 4K@30Hz displays
Summary description:
SBOX HDMI-2 is a 1x2 HDMI splitter designed to duplicate a single HDMI source to two displays at up to 4K resolution with 30 Hz refresh. It lets you send the same video and audio signal to two TVs, monitors or projectors simultaneously, useful for presentations, retail displays, home entertainment and digital signage. Simple to install and suitable for setups where one source must appear on two screens.