2 Circuit x 500W RF + WiFi Receiver to be used with Our ECO SERIES Wireless Kinetic Switch. The receiver is simply wired between light fixture and power supply. Max Load 500W x 2 (including LEDs). Also controllable via Alexa or Google Home Now in 1 Receiver, can wire 2 circuits, thereby space saving and cost effective ENER-J's 2 way wireless controller with a high-efficiency switching power supply has a wide voltage range with excellent stability and durability. This Wireless controller is equipped with an in-rush current suppression function, creating a safe and durable product A Wireless Kinetic energy switch and this receiving controller can be paired with any combination: a controller can be controlled by a maximum of 10 separate switches, a switch can pair an to 10 controllers. Simple and Easy Wiring