Opened for photography, but the item being shipped is new, unused, and unopened. The first image shows everything included. Quoted from the site ↓ Wireless Switch RF Remote Switch DC 12V 4CH Channel 10A 315mhz Remote Control with 2 Transmitters and 1 Receiver. 【Easy & Convenient】Wireless control, easy to install. We have tested the transmitter and receiver to work together before shipping. 【Widely Used】The remote switch has a wide range of applications, from simple home remote control to autonomous control. The wireless remote control switch can control lights, motors, fans, lifting devices, entrance access, up-down controllers, alarm systems, garage doors, electric doors/locks/windows/blinds/cars or other equipment. 【Signal Stability】This RF remote control adopts RF technology, stable signal. The signal of the wireless RF switch can pass through walls, floors, and doors, and steadily control the receiver from any place within a reliable distance. 【Advantages】Wireless receiving controller with high sensitivity, stable performance, and low power consumption characteristics. Resistance to interference: Adopts omnidirectional wireless encoding technology, enabling independent control without mutual interference. 【For 12v 4-channel wireless control】The remote switch is a learning switch and can learn various coding remote controls (such as 2262, 1527, etc.), meeting various customer needs. The output method/working method can be changed as desired, and the transmitter can be easily matched. Adjustable working method, control equipment turn/reverse, on/off. Switch between self-locking, jog, and interlock. One/multiple transmitters can control one/multiple receivers simultaneously. They do not interfere with each other.