Connect a table or standing lamp into the Smart Plug Socket adapter. Then via a wireless RF signal, the lighting can be controlled from anywhere using the Smart Plug Remote Switch. This combination allows the lamp to flash if someone pushes the wireless transmitter (example; the doorbell) and then can remotely be turned off. Be alerted to the doorbell, an incoming videophone or emergency call. Nopadol's Smart Plug Kit 1 includes the basics; the Smart Plug Socket which will turn on or off any lighting fixture plugged into it. Then control the lamp from anywhere using the Smart Plug Remote Switch. The lamp will have two functions that do not affect each other; the Remote Switch can turn off the flashing or just control the lamps general lighting. Once the flashing is turned off, the lamp will automatically return to its previous state before the notification. The same Smart Plug Socket can match up to eight different RF code, Nopadol remote switches or wireless transmitters. And vice-versa, any quantity, same RF Code Transmitters or Remote Switches can match up to any quantity sockets up to eight. (Transmitters sold separately). Features Multiple matched sockets can be remote controlled at the same time Lamp functions for both flashing notification and general illumination. Control distance of Remote Plug Switch approximately 500 feet in open space Kit includes one Alkaline 23A, 12V battery. (Batteries not included with non-kit units) Feature Details Brand Nopadol Mfg part # A0639/A0635 KIT Color Tan / Beige / Natural Weight (lbs) 0.4 Battery operated? Yes (batteries required) Batteries included? Yes Battery details (1) 12V 23A Alkaline Country of Manufacture China System Nopadol Alert Type(s) Vibration Flashing Light Loud Audible Low Vision / Deaf-Blind No Yes No No Transmitter / Receiver Transmitter(s) and Receiver(s) Alert Trigger(s) Baby Cry Carbon Monoxide Mobile / Smartphone Doorbell / door knock Motion Pager / SOS Phone / VP Smoke / Fire Sound Severe Weather No No No Yes No No Yes No No No Range (ft) 300 Expandable Yes Portable Yes Battery backup Yes USB charger No