311-AQ(WB)-A2 Software updatable binary switch including power meter. QEES RETO Shell Dimmer Standard is a highly aesthetic Z-Wave-controlled (US frequency) 400W universal dimmer for any kind of dimmable load: Energy saving, halogen, LED and incandescent light bulbs. QEES RETO Shell Dimmer Standard is a wirelessly controlled universal dimmer for retrofit installation. It can be operated locally by pushing the top cover; this action will dim the local load. QEES RETO Shell Dimmer Standard is compatible with all Z-Wave certified devices from other manufacturers. It also acts as a repeater inside your Z-Wave network increasing the range for your remote control. Like all QEES products, QEES RETO Shell Dimmer Standard can switch off devices that otherwise would consume power when not needed (in standby mode).