This is a 2-zone (2-Channel)12VDC ON and OFF relay controlled by one keychain style handheld transmitter. There are 2 sets of ON and OFF keys, total 4keys to individually control the two zones.
the keychain style transmitter was made with a solid metal frame and a sliding protection cover to avoid the accidental press of the keys.

Features
This is a 2 zone receiver with 1 transmitter. The 2-zone outputs are controlled by two sets of keys on the transmitter with On and Off function. Here is the key function and output chart:
Left Output Zone 1 Reception, left upper key ON, left lower key OFF.
Right Output Zone 2 Reception, right upper key ON, right lower key OFF

Come with:

2 x Receivers (one for zone 1 controlled by the remote), (one for zone 2 controlled by the same remote)
1 x 4 Button Remote (Left two buttons control the functions of receiver 1, Right two buttons contol the functions of receiver 2)
Instruction Sheet

Installation will require you to splice the molex connector from your power supply

***Please Note, this transmitter and receiver is for remote controlling your additional add on accessories, such as case fan and lights, and not for remote starting your computer.