3-button with Raise/lower configuration and light icon engravingButton Marking code is lightUtilizes Lutron reliable clear Connect RF technologyEasily add a new and/or additional point of control without the need for new wiresIndicator LED for visual feedbackConfigure for use as a handheld control, car visor control, wall mount control, or table top control10-year battery lifeMaximum 90% non-condensing relative humidityIndicator LED flashes to indicate a button press or when unit is in programming modeTop button lights brighten to full intensity and shades/draperies go to open limitTap once so the devices go to preset levels /positionsPress and hold to save new preset level or position, press and hold for 6 secondsRaise button lights increase in intensity and shades / draperies move toward