Or just use something like the Philips Hue Tap [1], which sends an RF signal (ZigBee) solely using the energy from your button press (no batteries). [1] http:/

Or just use something like the Philips Hue Tap [1], which sends an RF signal (ZigBee) solely using the energy from your button press (no batteries). [1] http://www2.meethue.com/en-us/productdetail/philips-hue-tap-switch http://www2.meethue.com/en-us/productdetail/philips-hue-tap-...