2-Way (5V) 433M wireless remote control switch electric access control electric

From the shop's description

2-Way (5V) 433M wireless remote control switch electric access control electric is a high-quality electronic component designed for Arduino, prototyping, and educational electronics. Hign-concerned Chemical None Package SMD is_customized Yes Model Number 433Mhz Wireless Remote Relay Module Supply Voltage 5V 12V Application Computer It’s perfect for DIY makers, students, and anyone building custom electronic circuits or STEM kits.