KosherSwitch -Control Electricity on Shabbat [Kosher Switch] Patented technology permitting the on-demand control of electricity on Shabbat & holidays. Endorsed by leading Poskim & Orthodox Rabbis. Makes accidental/intentional Sabbath desecration (Chilul Shabbos) impossible! Environmentally friendly religious observance & pays for itself by curbing wasted electricity. Easy to install/use without programming (just wait for a green Status Light and flick the switch).