This 15CH DC power universal rf remote control switch operates in toggle, momentary and latched control mode (set the mode as you like freely). It is great for hard to reach lights or other DC/AC electrical devices, remote distance can be 500m (theoretically). Control Lights, Motors, Fans, electrically operated Doors/ Locks/ Windows/ Blinds/ Cars or Other Appliances with voltage AC 110~240V or DC 0~28V.