Sphere 6-Gang Wireless Switch 

Place your light switch where ever you want, without having to run wires inside your walls. For use with the Sphere Wireless Lighting Control System. The switches get fixed to any wall, cupboard or ceiling without the need to connect to your RV 12v wire system. The companion receiver (separate part) can handle up to six different lights, gets the message to switch the light on or off.
There are multiple switch combinations available from one to six zones, some also include a master switch that will switch all zones off at once. You get the most flexibility by getting a number of switches that are located exactly where you want. Beside the bed, near the table, near a door or even on a sliding door where a normal switch cannot be placed.

Features:

Easy installation
Long lasting battery operation
Surface mounting
Switch backing is 120mm x 80mm

Specifications:

Shipping Weight: 80 grams.
Shipping Dimensions: 2 cm x 8 cm x 12 cm.