ZigBee Light Link wall transmitter, metallic gray, remote control, ZigBee Light Link wall transmitter, ZigBee Light Link wall transmitter 4 channel Mains-independent 4-way wall transmitter. For wireless remote control of other ZigBee Light Link radio components. For saving and calling up 8 light scenes. For dimming 4 light scenes. For combination/integration into other systems that work with the ZigBee Light Link protocol, such as Philips hue. With labeling field. Without enclosed labeling sheet. Suitable labeling software at www.BUSCH-JAEGER-Beschriftungstool.de Transmission/reception frequency: 2.4 GHz. Range: approx. 100 m (open field). Power supply: lithium button cell type CR2450 (included). Battery life: typically 3 years. Automatic monitoring of battery life. Incl. mounting plate for mounting on smooth walls or switch boxes. Protection class device: IP 20 Temperature range device: -5 °C to 45 °C Dimensions (H x W x D): 64 mm x 64 mm x 18 mm